102556504153556 has 24 divisors (see below), whose sum is σ = 188920404869280. Its totient is φ = 48579260728032.

The previous prime is 102556504153457. The next prime is 102556504153577. The reversal of 102556504153556 is 655351405655201.

It is a junction number, because it is equal to n+sod(n) for n = 102556504153498 and 102556504153507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28674950 + ... + 32052546.

It is an arithmetic number, because the mean of its divisors is an integer number (7871683536220).

Almost surely, 2^{102556504153556} is an apocalyptic number.

It is an amenable number.

102556504153556 is a deficient number, since it is larger than the sum of its proper divisors (86363900715724).

102556504153556 is a wasteful number, since it uses less digits than its factorization.

102556504153556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777143 (or 3777141 counting only the distinct ones).

The product of its (nonzero) digits is 13500000, while the sum is 53.

The spelling of 102556504153556 in words is "one hundred two trillion, five hundred fifty-six billion, five hundred four million, one hundred fifty-three thousand, five hundred fifty-six".