56261640361015 has 8 divisors (see below), whose sum is σ = 67518301622688. Its totient is φ = 45006423495840.

The previous prime is 56261640360997. The next prime is 56261640361039. The reversal of 56261640361015 is 51016304616265.

It is a happy number.

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

It is not a de Polignac number, because 56261640361015 - 2²⁷ = 56261506143287 is a prime.

It is a super-2 number, since 2×56261640361015² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361013427 + ... + 361169236.

It is an arithmetic number, because the mean of its divisors is an integer number (8439787702836).

Almost surely, 2^{56261640361015} is an apocalyptic number.

56261640361015 is a deficient number, since it is larger than the sum of its proper divisors (11256661261673).

56261640361015 is a wasteful number, since it uses less digits than its factorization.

56261640361015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722198249.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 56261640361015 in words is "fifty-six trillion, two hundred sixty-one billion, six hundred forty million, three hundred sixty-one thousand, fifteen".