25502553055025 has 24 divisors (see below), whose sum is σ = 34361334662400. Its totient is φ = 18704758766400.

The previous prime is 25502553055009. The next prime is 25502553055033. The reversal of 25502553055025 is 52055035520552.

It is not a de Polignac number, because 25502553055025 - 2⁴ = 25502553055009 is a prime.

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, 865946330 + ... + 865975779.

It is an arithmetic number, because the mean of its divisors is an integer number (1431722277600).

Almost surely, 2^{25502553055025} is an apocalyptic number.

25502553055025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25502553055025 is a deficient number, since it is larger than the sum of its proper divisors (8858781607375).

25502553055025 is a wasteful number, since it uses less digits than its factorization.

25502553055025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731922169 (or 1731922164 counting only the distinct ones).

The product of its (nonzero) digits is 1875000, while the sum is 44.

Adding to 25502553055025 its reverse (52055035520552), we get a palindrome (77557588575577).

The spelling of 25502553055025 in words is "twenty-five trillion, five hundred two billion, five hundred fifty-three million, fifty-five thousand, twenty-five".