56156542575465 has 8 divisors (see below), whose sum is σ = 89850468120768. Its totient is φ = 29950156040240.

The previous prime is 56156542575451. The next prime is 56156542575509. The reversal of 56156542575465 is 56457524565165.

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

It is not a de Polignac number, because 56156542575465 - 2⁸ = 56156542575209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56156542575396 and 56156542575405.

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, 1871884752501 + ... + 1871884752530.

It is an arithmetic number, because the mean of its divisors is an integer number (11231308515096).

Almost surely, 2^{56156542575465} is an apocalyptic number.

It is an amenable number.

56156542575465 is a deficient number, since it is larger than the sum of its proper divisors (33693925545303).

56156542575465 is a wasteful number, since it uses less digits than its factorization.

56156542575465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743769505039.

The product of its digits is 756000000, while the sum is 66.

The spelling of 56156542575465 in words is "fifty-six trillion, one hundred fifty-six billion, five hundred forty-two million, five hundred seventy-five thousand, four hundred sixty-five".