115707164989 has 12 divisors (see below), whose sum is σ = 129612806100. Its totient is φ = 103123622784.

The previous prime is 115707164977. The next prime is 115707165043. The reversal of 115707164989 is 989461707511.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 34001516025 + 81705648964 = 184395^2 + 285842^2 .

It is not a de Polignac number, because 115707164989 - 2¹⁷ = 115707033917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115707164929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11799544 + ... + 11809345.

It is an arithmetic number, because the mean of its divisors is an integer number (10801067175).

Almost surely, 2^115707164989 is an apocalyptic number.

It is an amenable number.

115707164989 is a deficient number, since it is larger than the sum of its proper divisors (13905641111).

115707164989 is a wasteful number, since it uses less digits than its factorization.

115707164989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23608944 (or 23608931 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 58.

The spelling of 115707164989 in words is "one hundred fifteen billion, seven hundred seven million, one hundred sixty-four thousand, nine hundred eighty-nine".