25860862725 has 48 divisors (see below), whose sum is σ = 43027960320. Its totient is φ = 13705216000.

The previous prime is 25860862721. The next prime is 25860862777. The reversal of 25860862725 is 52726806852.

It is not a de Polignac number, because 25860862725 - 2² = 25860862721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25860862721) 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, 9231325 + ... + 9234125.

It is an arithmetic number, because the mean of its divisors is an integer number (896415840).

Almost surely, 2^25860862725 is an apocalyptic number.

25860862725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25860862725 is a deficient number, since it is larger than the sum of its proper divisors (17167097595).

25860862725 is a wasteful number, since it uses less digits than its factorization.

25860862725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550 (or 3545 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 25860862725 in words is "twenty-five billion, eight hundred sixty million, eight hundred sixty-two thousand, seven hundred twenty-five".