256600752620103 has 12 divisors (see below), whose sum is σ = 380662978361848. Its totient is φ = 166443731429040.

The previous prime is 256600752620087. The next prime is 256600752620129. The reversal of 256600752620103 is 301026257006652.

256600752620103 is a `hidden beast` number, since 2 + 5 + 6 + 6 + 0 + 0 + 7 + 5 + 2 + 620 + 10 + 3 = 666.

It is not a de Polignac number, because 256600752620103 - 2⁴ = 256600752620087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256600752620153) 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, 385286415013 + ... + 385286415678.

Almost surely, 2^{256600752620103} is an apocalyptic number.

256600752620103 is a deficient number, since it is larger than the sum of its proper divisors (124062225741745).

256600752620103 is a wasteful number, since it uses less digits than its factorization.

256600752620103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770572830734 (or 770572830731 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 256600752620103 in words is "two hundred fifty-six trillion, six hundred billion, seven hundred fifty-two million, six hundred twenty thousand, one hundred three".