25504151055 has 16 divisors (see below), whose sum is σ = 41265145440. Its totient is φ = 13449379328.

The previous prime is 25504151027. The next prime is 25504151063. The reversal of 25504151055 is 55015140552.

It is a cyclic number.

It is not a de Polignac number, because 25504151055 - 2²⁴ = 25487373839 is a prime.

It is a super-2 number, since 2×25504151055² (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 15 ways as a sum of consecutive naturals, for example, 9550782 + ... + 9553451.

It is an arithmetic number, because the mean of its divisors is an integer number (2579071590).

Almost surely, 2^25504151055 is an apocalyptic number.

25504151055 is a deficient number, since it is larger than the sum of its proper divisors (15760994385).

25504151055 is a wasteful number, since it uses less digits than its factorization.

25504151055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19104330.

The product of its (nonzero) digits is 25000, while the sum is 33.

The spelling of 25504151055 in words is "twenty-five billion, five hundred four million, one hundred fifty-one thousand, fifty-five".