115531345722 has 32 divisors (see below), whose sum is σ = 248851128960. Its totient is φ = 35546051520.

The previous prime is 115531345667. The next prime is 115531345723. The reversal of 115531345722 is 227543135511.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (115531345723) 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, 1845979 + ... + 1907537.

It is an arithmetic number, because the mean of its divisors is an integer number (7776597780).

Almost surely, 2^115531345722 is an apocalyptic number.

115531345722 is an abundant number, since it is smaller than the sum of its proper divisors (133319783238).

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

115531345722 is a wasteful number, since it uses less digits than its factorization.

115531345722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85638.

The product of its digits is 126000, while the sum is 39.

The spelling of 115531345722 in words is "one hundred fifteen billion, five hundred thirty-one million, three hundred forty-five thousand, seven hundred twenty-two".