115863313510 has 128 divisors (see below), whose sum is σ = 264217282560. Its totient is φ = 35643193344.

The previous prime is 115863313507. The next prime is 115863313513. The reversal of 115863313510 is 15313368511.

It is an interprime number because it is at equal distance from previous prime (115863313507) and next prime (115863313513).

It is a self number, because there is not a number n which added to its sum of digits gives 115863313510.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115863313513) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8395696 + ... + 8409484.

It is an arithmetic number, because the mean of its divisors is an integer number (2064197520).

Almost surely, 2^115863313510 is an apocalyptic number.

115863313510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115863313510 is an abundant number, since it is smaller than the sum of its proper divisors (148353969050).

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

115863313510 is a wasteful number, since it uses less digits than its factorization.

115863313510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14150.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 115863313510 in words is "one hundred fifteen billion, eight hundred sixty-three million, three hundred thirteen thousand, five hundred ten".