115574724138 has 16 divisors (see below), whose sum is σ = 241199424576. Its totient is φ = 36849912000.

The previous prime is 115574724137. The next prime is 115574724143. The reversal of 115574724138 is 831427475511.

It is not an unprimeable number, because it can be changed into a prime (115574724137) 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, 418748863 + ... + 418749138.

It is an arithmetic number, because the mean of its divisors is an integer number (15074964036).

Almost surely, 2^115574724138 is an apocalyptic number.

115574724138 is an abundant number, since it is smaller than the sum of its proper divisors (125624700438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115574724138 is a wasteful number, since it uses less digits than its factorization.

115574724138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837498029.

The product of its digits is 940800, while the sum is 48.

The spelling of 115574724138 in words is "one hundred fifteen billion, five hundred seventy-four million, seven hundred twenty-four thousand, one hundred thirty-eight".