115431355 has 8 divisors (see below), whose sum is σ = 149172912. Its totient is φ = 85241568.

The previous prime is 115431347. The next prime is 115431361. The reversal of 115431355 is 553134511.

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 115431355 - 2³ = 115431347 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887869 + ... + 887998.

It is an arithmetic number, because the mean of its divisors is an integer number (18646614).

Almost surely, 2^115431355 is an apocalyptic number.

115431355 is a deficient number, since it is larger than the sum of its proper divisors (33741557).

115431355 is a wasteful number, since it uses less digits than its factorization.

115431355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775885.

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

The square root of 115431355 is about 10743.8985010098. The cubic root of 115431355 is about 486.9016705036.

Adding to 115431355 its reverse (553134511), we get a palindrome (668565866).

The spelling of 115431355 in words is "one hundred fifteen million, four hundred thirty-one thousand, three hundred fifty-five".