1132549881 has 4 divisors (see below), whose sum is σ = 1510066512. Its totient is φ = 755033252.

The previous prime is 1132549871. The next prime is 1132549883. The reversal of 1132549881 is 1889452311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1132549881 - 2¹⁹ = 1132025593 is a prime.

It is a super-2 number, since 2×1132549881² = 2565338465906228322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1132549883) 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, 188758311 + ... + 188758316.

It is an arithmetic number, because the mean of its divisors is an integer number (377516628).

Almost surely, 2^1132549881 is an apocalyptic number.

It is an amenable number.

1132549881 is a deficient number, since it is larger than the sum of its proper divisors (377516631).

1132549881 is an equidigital number, since it uses as much as digits as its factorization.

1132549881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377516630.

The product of its digits is 69120, while the sum is 42.

The square root of 1132549881 is about 33653.3784485302. The cubic root of 1132549881 is about 1042.3633018952.

The spelling of 1132549881 in words is "one billion, one hundred thirty-two million, five hundred forty-nine thousand, eight hundred eighty-one".