115698864437 has 16 divisors (see below), whose sum is σ = 124873593600. Its totient is φ = 106563600000.

The previous prime is 115698864403. The next prime is 115698864497. The reversal of 115698864437 is 734468896511.

It is not a de Polignac number, because 115698864437 - 2³⁰ = 114625122613 is a prime.

It is a super-2 number, since 2×115698864437² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115698864437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115698864497) 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, 23366312 + ... + 23371262.

It is an arithmetic number, because the mean of its divisors is an integer number (7804599600).

Almost surely, 2^115698864437 is an apocalyptic number.

It is an amenable number.

115698864437 is a deficient number, since it is larger than the sum of its proper divisors (9174729163).

115698864437 is a wasteful number, since it uses less digits than its factorization.

115698864437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8564.

The product of its digits is 34836480, while the sum is 62.

The spelling of 115698864437 in words is "one hundred fifteen billion, six hundred ninety-eight million, eight hundred sixty-four thousand, four hundred thirty-seven".