115616645023 has 24 divisors (see below), whose sum is σ = 134639172864. Its totient is φ = 98863818240.

The previous prime is 115616645009. The next prime is 115616645033. The reversal of 115616645023 is 320546616511.

It is a happy number.

It is not a de Polignac number, because 115616645023 - 2²⁹ = 115079774111 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115616645033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3589890 + ... + 3621952.

It is an arithmetic number, because the mean of its divisors is an integer number (5609965536).

Almost surely, 2^115616645023 is an apocalyptic number.

115616645023 is a deficient number, since it is larger than the sum of its proper divisors (19022527841).

115616645023 is a wasteful number, since it uses less digits than its factorization.

115616645023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33855 (or 33844 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 115616645023 in words is "one hundred fifteen billion, six hundred sixteen million, six hundred forty-five thousand, twenty-three".