102499660755 has 12 divisors (see below), whose sum is σ = 177666078720. Its totient is φ = 54666485712.

The previous prime is 102499660751. The next prime is 102499660771. The reversal of 102499660755 is 557066994201.

102499660755 is a `hidden beast` number, since 1 + 0 + 24 + 9 + 9 + 6 + 607 + 5 + 5 = 666.

It is not a de Polignac number, because 102499660755 - 2² = 102499660751 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (102499660751) 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, 1138885075 + ... + 1138885164.

It is an arithmetic number, because the mean of its divisors is an integer number (14805506560).

Almost surely, 2^102499660755 is an apocalyptic number.

102499660755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102499660755 is a deficient number, since it is larger than the sum of its proper divisors (75166417965).

102499660755 is a wasteful number, since it uses less digits than its factorization.

102499660755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277770250 (or 2277770247 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 102499660755 in words is "one hundred two billion, four hundred ninety-nine million, six hundred sixty thousand, seven hundred fifty-five".