55140365115 has 64 divisors (see below), whose sum is σ = 107127820800. Its totient is φ = 26687491200.

The previous prime is 55140365099. The next prime is 55140365123. The reversal of 55140365115 is 51156304155.

55140365115 is a `hidden beast` number, since 551 + 40 + 3 + 6 + 51 + 15 = 666.

It is not a de Polignac number, because 55140365115 - 2⁴ = 55140365099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55140365115.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 815421 + ... + 880449.

It is an arithmetic number, because the mean of its divisors is an integer number (1673872200).

Almost surely, 2^55140365115 is an apocalyptic number.

55140365115 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55140365115 is a deficient number, since it is larger than the sum of its proper divisors (51987455685).

55140365115 is a wasteful number, since it uses less digits than its factorization.

55140365115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65625 (or 65619 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 55140365115 in words is "fifty-five billion, one hundred forty million, three hundred sixty-five thousand, one hundred fifteen".