25029129025 has 12 divisors (see below), whose sum is σ = 31045068544. Its totient is φ = 20017530000.

The previous prime is 25029129017. The next prime is 25029129043. The reversal of 25029129025 is 52092192052.

It is not a de Polignac number, because 25029129025 - 2³ = 25029129017 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54801 + ... + 230350.

Almost surely, 2^25029129025 is an apocalyptic number.

25029129025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25029129025 is a deficient number, since it is larger than the sum of its proper divisors (6015939519).

25029129025 is a wasteful number, since it uses less digits than its factorization.

25029129025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288672 (or 288667 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 25029129025 in words is "twenty-five billion, twenty-nine million, one hundred twenty-nine thousand, twenty-five".