25026125660 has 24 divisors (see below), whose sum is σ = 54839858976. Its totient is φ = 9575213120.

The previous prime is 25026125651. The next prime is 25026125693. The reversal of 25026125660 is 6652162052.

It is a super-2 number, since 2×25026125660² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25026125660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27201851 + ... + 27202770.

It is an arithmetic number, because the mean of its divisors is an integer number (2284994124).

Almost surely, 2^25026125660 is an apocalyptic number.

25026125660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25026125660 is an abundant number, since it is smaller than the sum of its proper divisors (29813733316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25026125660 is a wasteful number, since it uses less digits than its factorization.

25026125660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54404653 (or 54404651 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 25026125660 in words is "twenty-five billion, twenty-six million, one hundred twenty-five thousand, six hundred sixty".