115532491 has 8 divisors (see below), whose sum is σ = 120380400. Its totient is φ = 110742240.

The previous prime is 115532489. The next prime is 115532497. The reversal of 115532491 is 194235511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115532491 - 2¹ = 115532489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115532497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10300 + ... + 18361.

It is an arithmetic number, because the mean of its divisors is an integer number (15047550).

Almost surely, 2^115532491 is an apocalyptic number.

115532491 is a deficient number, since it is larger than the sum of its proper divisors (4847909).

115532491 is a wasteful number, since it uses less digits than its factorization.

115532491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28829.

The product of its digits is 5400, while the sum is 31.

The square root of 115532491 is about 10748.6041419340. The cubic root of 115532491 is about 487.0438297772.

The spelling of 115532491 in words is "one hundred fifteen million, five hundred thirty-two thousand, four hundred ninety-one".