115391688722 has 16 divisors (see below), whose sum is σ = 176506739712. Its totient is φ = 56558002800.

The previous prime is 115391688661. The next prime is 115391688733. The reversal of 115391688722 is 227886193511.

It is a super-2 number, since 2×115391688722² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350888 + ... + 594899.

It is an arithmetic number, because the mean of its divisors is an integer number (11031671232).

Almost surely, 2^115391688722 is an apocalyptic number.

115391688722 is a deficient number, since it is larger than the sum of its proper divisors (61115050990).

115391688722 is a wasteful number, since it uses less digits than its factorization.

115391688722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946993.

The product of its digits is 1451520, while the sum is 53.

The spelling of 115391688722 in words is "one hundred fifteen billion, three hundred ninety-one million, six hundred eighty-eight thousand, seven hundred twenty-two".