25277505055 has 32 divisors (see below), whose sum is σ = 33696269568. Its totient is φ = 18050188800.

The previous prime is 25277505049. The next prime is 25277505109. The reversal of 25277505055 is 55050577252.

It is not a de Polignac number, because 25277505055 - 2⁷ = 25277504927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 646000 + ... + 684010.

It is an arithmetic number, because the mean of its divisors is an integer number (1053008424).

Almost surely, 2^25277505055 is an apocalyptic number.

25277505055 is a deficient number, since it is larger than the sum of its proper divisors (8418764513).

25277505055 is a wasteful number, since it uses less digits than its factorization.

25277505055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38247.

The product of its (nonzero) digits is 612500, while the sum is 43.

The spelling of 25277505055 in words is "twenty-five billion, two hundred seventy-seven million, five hundred five thousand, fifty-five".