56455265435121 has 24 divisors (see below), whose sum is σ = 95714804379584. Its totient is φ = 31388255684640.

The previous prime is 56455265435119. The next prime is 56455265435123. The reversal of 56455265435121 is 12153456255465.

56455265435121 is a `hidden beast` number, since 5 + 6 + 4 + 5 + 5 + 26 + 543 + 51 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (56455265435119) and next prime (56455265435123).

It is not a de Polignac number, because 56455265435121 - 2¹ = 56455265435119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56455265435123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12109664215 + ... + 12109668876.

Almost surely, 2^{56455265435121} is an apocalyptic number.

It is an amenable number.

56455265435121 is a deficient number, since it is larger than the sum of its proper divisors (39259538944463).

56455265435121 is a wasteful number, since it uses less digits than its factorization.

56455265435121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24219333141 (or 24219333138 counting only the distinct ones).

The product of its digits is 21600000, while the sum is 54.

The spelling of 56455265435121 in words is "fifty-six trillion, four hundred fifty-five billion, two hundred sixty-five million, four hundred thirty-five thousand, one hundred twenty-one".