25277525252525 has 48 divisors (see below), whose sum is σ = 38580024553728. Its totient is φ = 15998748480000.

The previous prime is 25277525252479. The next prime is 25277525252527. The reversal of 25277525252525 is 52525252577252.

It is not a de Polignac number, because 25277525252525 - 2³⁶ = 25208805775789 is a prime.

25277525252525 is a modest number, since divided by 25252525 gives 252775 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25277525252527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33641945 + ... + 34385105.

It is an arithmetic number, because the mean of its divisors is an integer number (803750511536).

Almost surely, 2^{25277525252525} is an apocalyptic number.

25277525252525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25277525252525 is a deficient number, since it is larger than the sum of its proper divisors (13302499301203).

25277525252525 is a wasteful number, since it uses less digits than its factorization.

25277525252525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758142 (or 758137 counting only the distinct ones).

The product of its digits is 49000000, while the sum is 56.

The spelling of 25277525252525 in words is "twenty-five trillion, two hundred seventy-seven billion, five hundred twenty-five million, two hundred fifty-two thousand, five hundred twenty-five".