115520040351 has 16 divisors (see below), whose sum is σ = 171146114400. Its totient is φ = 77010969024.

The previous prime is 115520040331. The next prime is 115520040379. The reversal of 115520040351 is 153040025511.

115520040351 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 200 + 403 + 51 = 666.

It is not a de Polignac number, because 115520040351 - 2²¹ = 115517943199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115520040331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1442475 + ... + 1520451.

It is an arithmetic number, because the mean of its divisors is an integer number (10696632150).

Almost surely, 2^115520040351 is an apocalyptic number.

115520040351 is a deficient number, since it is larger than the sum of its proper divisors (55626074049).

115520040351 is an equidigital number, since it uses as much as digits as its factorization.

115520040351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132855 (or 132849 counting only the distinct ones).

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

Adding to 115520040351 its reverse (153040025511), we get a palindrome (268560065862).

The spelling of 115520040351 in words is "one hundred fifteen billion, five hundred twenty million, forty thousand, three hundred fifty-one".