56265426365 has 4 divisors (see below), whose sum is σ = 67518511644. Its totient is φ = 45012341088.

The previous prime is 56265426253. The next prime is 56265426397. The reversal of 56265426365 is 56362456265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56362456265 = 5 ⋅11272491253.

It can be written as a sum of positive squares in 2 ways, for example, as 21123424921 + 35142001444 = 145339^2 + 187462^2 .

It is a cyclic number.

It is not a de Polignac number, because 56265426365 - 2⁸ = 56265426109 is a prime.

It is a super-2 number, since 2×56265426365² (a number of 22 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 3 ways as a sum of consecutive naturals, for example, 5626542632 + ... + 5626542641.

It is an arithmetic number, because the mean of its divisors is an integer number (16879627911).

Almost surely, 2^56265426365 is an apocalyptic number.

It is an amenable number.

56265426365 is a deficient number, since it is larger than the sum of its proper divisors (11253085279).

56265426365 is a wasteful number, since it uses less digits than its factorization.

56265426365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11253085278.

The product of its digits is 7776000, while the sum is 50.

The spelling of 56265426365 in words is "fifty-six billion, two hundred sixty-five million, four hundred twenty-six thousand, three hundred sixty-five".