115431140523 has 32 divisors (see below), whose sum is σ = 156757835520. Its totient is φ = 75543367680.

The previous prime is 115431140521. The next prime is 115431140567. The reversal of 115431140523 is 325041134511.

It is not a de Polignac number, because 115431140523 - 2¹ = 115431140521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115431140521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29422240 + ... + 29426162.

It is an arithmetic number, because the mean of its divisors is an integer number (4898682360).

Almost surely, 2^115431140523 is an apocalyptic number.

115431140523 is a deficient number, since it is larger than the sum of its proper divisors (41326694997).

115431140523 is a wasteful number, since it uses less digits than its factorization.

115431140523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4779.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 115431140523 in words is "one hundred fifteen billion, four hundred thirty-one million, one hundred forty thousand, five hundred twenty-three".