256100061115602 has 64 divisors (see below), whose sum is σ = 620854557765120. Its totient is φ = 77605338531600.

The previous prime is 256100061115601. The next prime is 256100061115603. The reversal of 256100061115602 is 206511160001652.

256100061115602 is a `hidden beast` number, since 25 + 6 + 1 + 0 + 0 + 0 + 6 + 11 + 15 + 602 = 666.

It is an interprime number because it is at equal distance from previous prime (256100061115601) and next prime (256100061115603).

It is not an unprimeable number, because it can be changed into a prime (256100061115601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61912777 + ... + 65919587.

It is an arithmetic number, because the mean of its divisors is an integer number (9700852465080).

Almost surely, 2^{256100061115602} is an apocalyptic number.

256100061115602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

256100061115602 is an abundant number, since it is smaller than the sum of its proper divisors (364754496649518).

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

256100061115602 is a wasteful number, since it uses less digits than its factorization.

256100061115602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114436 (or 4114430 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 256100061115602 in words is "two hundred fifty-six trillion, one hundred billion, sixty-one million, one hundred fifteen thousand, six hundred two".