25320451054773 has 128 divisors (see below), whose sum is σ = 40566514892800. Its totient is φ = 14037838617600.

The previous prime is 25320451054709. The next prime is 25320451054819. The reversal of 25320451054773 is 37745015402352.

It is not a de Polignac number, because 25320451054773 - 2⁶ = 25320451054709 is a prime.

It is a super-2 number, since 2×25320451054773² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25320451054373) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1168283865 + ... + 1168305537.

It is an arithmetic number, because the mean of its divisors is an integer number (316925897600).

Almost surely, 2^{25320451054773} is an apocalyptic number.

It is an amenable number.

25320451054773 is a deficient number, since it is larger than the sum of its proper divisors (15246063838027).

25320451054773 is a wasteful number, since it uses less digits than its factorization.

25320451054773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22024 (or 22010 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 48.

The spelling of 25320451054773 in words is "twenty-five trillion, three hundred twenty billion, four hundred fifty-one million, fifty-four thousand, seven hundred seventy-three".