56005112251 has 8 divisors (see below), whose sum is σ = 62396411904. Its totient is φ = 49830466920.

The previous prime is 56005112231. The next prime is 56005112299. The reversal of 56005112251 is 15221150065.

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 56005112251 - 2⁹ = 56005111739 is a prime.

It is a super-2 number, since 2×56005112251² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56005112231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54163035 + ... + 54164068.

It is an arithmetic number, because the mean of its divisors is an integer number (7799551488).

Almost surely, 2^56005112251 is an apocalyptic number.

56005112251 is a deficient number, since it is larger than the sum of its proper divisors (6391299653).

56005112251 is a wasteful number, since it uses less digits than its factorization.

56005112251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108327161.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 56005112251 in words is "fifty-six billion, five million, one hundred twelve thousand, two hundred fifty-one".