1151323525 has 48 divisors (see below), whose sum is σ = 1649894400. Its totient is φ = 788184000.

The previous prime is 1151323471. The next prime is 1151323553. The reversal of 1151323525 is 5253231511.

It is not a de Polignac number, because 1151323525 - 2²³ = 1142934917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1151323493 and 1151323502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 934660 + ... + 935890.

It is an arithmetic number, because the mean of its divisors is an integer number (34372800).

Almost surely, 2^1151323525 is an apocalyptic number.

It is an amenable number.

1151323525 is a deficient number, since it is larger than the sum of its proper divisors (498570875).

1151323525 is a wasteful number, since it uses less digits than its factorization.

1151323525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450 (or 1445 counting only the distinct ones).

The product of its digits is 4500, while the sum is 28.

The square root of 1151323525 is about 33931.1586156441. The cubic root of 1151323525 is about 1048.0913246781.

The spelling of 1151323525 in words is "one billion, one hundred fifty-one million, three hundred twenty-three thousand, five hundred twenty-five".