25450462555 has 12 divisors (see below), whose sum is σ = 35526768480. Its totient is φ = 17451745584.

The previous prime is 25450462547. The next prime is 25450462559. The reversal of 25450462555 is 55526405452.

It is not a de Polignac number, because 25450462555 - 2³ = 25450462547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25450462559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51939475 + ... + 51939964.

It is an arithmetic number, because the mean of its divisors is an integer number (2960564040).

Almost surely, 2^25450462555 is an apocalyptic number.

25450462555 is a deficient number, since it is larger than the sum of its proper divisors (10076305925).

25450462555 is a wasteful number, since it uses less digits than its factorization.

25450462555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103879458 (or 103879451 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 43.

The spelling of 25450462555 in words is "twenty-five billion, four hundred fifty million, four hundred sixty-two thousand, five hundred fifty-five".