2556670355131 has 8 divisors (see below), whose sum is σ = 2559167023104. Its totient is φ = 2554174890600.

The previous prime is 2556670355053. The next prime is 2556670355137. The reversal of 2556670355131 is 1315530766552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2556670355131 - 2¹⁵ = 2556670322363 is a prime.

It is a super-2 number, since 2×2556670355131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2556670355137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3979806 + ... + 4577356.

It is an arithmetic number, because the mean of its divisors is an integer number (319895877888).

Almost surely, 2^{2556670355131} is an apocalyptic number.

2556670355131 is a deficient number, since it is larger than the sum of its proper divisors (2496667973).

2556670355131 is a wasteful number, since it uses less digits than its factorization.

2556670355131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601721.

The product of its (nonzero) digits is 2835000, while the sum is 49.

The spelling of 2556670355131 in words is "two trillion, five hundred fifty-six billion, six hundred seventy million, three hundred fifty-five thousand, one hundred thirty-one".