56256565117494 has 32 divisors (see below), whose sum is σ = 128586863575296. Its totient is φ = 16073250691680.

The previous prime is 56256565117409. The next prime is 56256565117507. The reversal of 56256565117494 is 49471156565265.

It is a happy number.

It is a super-2 number, since 2×56256565117494² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11496289 + ... + 15642179.

It is an arithmetic number, because the mean of its divisors is an integer number (4018339486728).

Almost surely, 2^{56256565117494} is an apocalyptic number.

56256565117494 is an abundant number, since it is smaller than the sum of its proper divisors (72330298457802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56256565117494 is a wasteful number, since it uses less digits than its factorization.

56256565117494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468980.

The product of its digits is 272160000, while the sum is 66.

The spelling of 56256565117494 in words is "fifty-six trillion, two hundred fifty-six billion, five hundred sixty-five million, one hundred seventeen thousand, four hundred ninety-four".