556078507086631 has 8 divisors (see below), whose sum is σ = 562780262580624. Its totient is φ = 549404617520640.

The previous prime is 556078507086617. The next prime is 556078507086649. The reversal of 556078507086631 is 136680705870655.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556078507086631 is a prime.

It is a super-2 number, since 2×556078507086631² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556078507086131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6966441850 + ... + 6966521671.

It is an arithmetic number, because the mean of its divisors is an integer number (70347532822578).

Almost surely, 2^{556078507086631} is an apocalyptic number.

556078507086631 is a deficient number, since it is larger than the sum of its proper divisors (6701755493993).

556078507086631 is a wasteful number, since it uses less digits than its factorization.

556078507086631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13932964001.

The product of its (nonzero) digits is 254016000, while the sum is 67.

The spelling of 556078507086631 in words is "five hundred fifty-six trillion, seventy-eight billion, five hundred seven million, eighty-six thousand, six hundred thirty-one".