56456023040505 has 128 divisors (see below), whose sum is σ = 109989942128640. Its totient is φ = 27247786836480.

The previous prime is 56456023040441. The next prime is 56456023040513. The reversal of 56456023040505 is 50504032065465.

56456023040505 is a `hidden beast` number, since 5 + 6 + 4 + 5 + 6 + 0 + 230 + 405 + 0 + 5 = 666.

It is not a de Polignac number, because 56456023040505 - 2⁶ = 56456023040441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3837145029 + ... + 3837159741.

It is an arithmetic number, because the mean of its divisors is an integer number (859296422880).

Almost surely, 2^{56456023040505} is an apocalyptic number.

56456023040505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56456023040505 is a deficient number, since it is larger than the sum of its proper divisors (53533919088135).

56456023040505 is a wasteful number, since it uses less digits than its factorization.

56456023040505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26348 (or 26342 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

The spelling of 56456023040505 in words is "fifty-six trillion, four hundred fifty-six billion, twenty-three million, forty thousand, five hundred five".