115432551 has 24 divisors (see below), whose sum is σ = 181171536. Its totient is φ = 70398720.

The previous prime is 115432549. The next prime is 115432553. The reversal of 115432551 is 155234511.

It is an interprime number because it is at equal distance from previous prime (115432549) and next prime (115432553).

It is not a de Polignac number, because 115432551 - 2¹ = 115432549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115432553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8856 + ... + 17586.

It is an arithmetic number, because the mean of its divisors is an integer number (7548814).

Almost surely, 2^115432551 is an apocalyptic number.

115432551 is a deficient number, since it is larger than the sum of its proper divisors (65738985).

115432551 is a wasteful number, since it uses less digits than its factorization.

115432551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8863 (or 8860 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 115432551 is about 10743.9541603639. The cubic root of 115432551 is about 486.9033521160.

The spelling of 115432551 in words is "one hundred fifteen million, four hundred thirty-two thousand, five hundred fifty-one".