1130325551 has 4 divisors (see below), whose sum is σ = 1130401104. Its totient is φ = 1130250000.

The previous prime is 1130325533. The next prime is 1130325557. The reversal of 1130325551 is 1555230311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1555230311 = 331 ⋅4698581.

It is a cyclic number.

It is not a de Polignac number, because 1130325551 - 2¹⁰ = 1130324527 is a prime.

It is a super-3 number, since 3×1130325551³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1130325551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130325557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6950 + ... + 48051.

It is an arithmetic number, because the mean of its divisors is an integer number (282600276).

Almost surely, 2^1130325551 is an apocalyptic number.

1130325551 is a deficient number, since it is larger than the sum of its proper divisors (75553).

1130325551 is an equidigital number, since it uses as much as digits as its factorization.

1130325551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75552.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1130325551 is about 33620.3145583143. The cubic root of 1130325551 is about 1041.6804535292.

Adding to 1130325551 its reverse (1555230311), we get a palindrome (2685555862).

The spelling of 1130325551 in words is "one billion, one hundred thirty million, three hundred twenty-five thousand, five hundred fifty-one".