6256631878211 has 16 divisors (see below), whose sum is σ = 7587559891968. Its totient is φ = 5080955277600.

The previous prime is 6256631878199. The next prime is 6256631878247. The reversal of 6256631878211 is 1128781366526.

It is a cyclic number.

It is not a de Polignac number, because 6256631878211 - 2¹⁰ = 6256631877187 is a prime.

It is a super-2 number, since 2×6256631878211² (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 (6256631878271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705683801 + ... + 705692666.

It is an arithmetic number, because the mean of its divisors is an integer number (474222493248).

Almost surely, 2^{6256631878211} is an apocalyptic number.

6256631878211 is a deficient number, since it is larger than the sum of its proper divisors (1330928013757).

6256631878211 is a wasteful number, since it uses less digits than its factorization.

6256631878211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411376522.

The product of its digits is 5806080, while the sum is 56.

The spelling of 6256631878211 in words is "six trillion, two hundred fifty-six billion, six hundred thirty-one million, eight hundred seventy-eight thousand, two hundred eleven".