25052515554525 has 24 divisors (see below), whose sum is σ = 41421746781984. Its totient is φ = 13360829457600.

The previous prime is 25052515554509. The next prime is 25052515554533. The reversal of 25052515554525 is 52545551525052.

It is not a de Polignac number, because 25052515554525 - 2⁴ = 25052515554509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4428499 + ... + 8349648.

It is an arithmetic number, because the mean of its divisors is an integer number (1725906115916).

Almost surely, 2^{25052515554525} is an apocalyptic number.

25052515554525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25052515554525 is a deficient number, since it is larger than the sum of its proper divisors (16369231227459).

25052515554525 is a wasteful number, since it uses less digits than its factorization.

25052515554525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12804301 (or 12804296 counting only the distinct ones).

The product of its (nonzero) digits is 12500000, while the sum is 51.

The spelling of 25052515554525 in words is "twenty-five trillion, fifty-two billion, five hundred fifteen million, five hundred fifty-four thousand, five hundred twenty-five".