2656130260511 has 32 divisors (see below), whose sum is σ = 3320536076928. Its totient is φ = 2068717478400.

The previous prime is 2656130260507. The next prime is 2656130260541. The reversal of 2656130260511 is 1150620316562.

It is a cyclic number.

It is not a de Polignac number, because 2656130260511 - 2² = 2656130260507 is a prime.

It is a super-2 number, since 2×2656130260511² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656130260541) 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, 754805 + ... + 2425281.

It is an arithmetic number, because the mean of its divisors is an integer number (103766752404).

Almost surely, 2^{2656130260511} is an apocalyptic number.

2656130260511 is a deficient number, since it is larger than the sum of its proper divisors (664405816417).

2656130260511 is a wasteful number, since it uses less digits than its factorization.

2656130260511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670771.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 2656130260511 in words is "two trillion, six hundred fifty-six billion, one hundred thirty million, two hundred sixty thousand, five hundred eleven".