25127550456 has 32 divisors (see below), whose sum is σ = 63313520640. Its totient is φ = 8309897568.

The previous prime is 25127550421. The next prime is 25127550457. The reversal of 25127550456 is 65405572152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25127550457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4118926 + ... + 4125021.

It is an arithmetic number, because the mean of its divisors is an integer number (1978547520).

Almost surely, 2^25127550456 is an apocalyptic number.

It is an amenable number.

25127550456 is an abundant number, since it is smaller than the sum of its proper divisors (38185970184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25127550456 is a wasteful number, since it uses less digits than its factorization.

25127550456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8244083 (or 8244079 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 42.

The spelling of 25127550456 in words is "twenty-five billion, one hundred twenty-seven million, five hundred fifty thousand, four hundred fifty-six".