25013051055 has 48 divisors (see below), whose sum is σ = 44271470880. Its totient is φ = 13061274624.

The previous prime is 25013051039. The next prime is 25013051101. The reversal of 25013051055 is 55015031052.

25013051055 is a `hidden beast` number, since 250 + 1 + 305 + 105 + 5 = 666.

It is not a de Polignac number, because 25013051055 - 2⁴ = 25013051039 is a prime.

It is a super-2 number, since 2×25013051055² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 422256 + ... + 477834.

It is an arithmetic number, because the mean of its divisors is an integer number (922322310).

Almost surely, 2^25013051055 is an apocalyptic number.

25013051055 is a deficient number, since it is larger than the sum of its proper divisors (19258419825).

25013051055 is a wasteful number, since it uses less digits than its factorization.

25013051055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55800 (or 55797 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The spelling of 25013051055 in words is "twenty-five billion, thirteen million, fifty-one thousand, fifty-five".