25749113655 has 16 divisors (see below), whose sum is σ = 41694952320. Its totient is φ = 13567403808.

The previous prime is 25749113647. The next prime is 25749113681. The reversal of 25749113655 is 55631194752.

It is not a de Polignac number, because 25749113655 - 2³ = 25749113647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10339765 + ... + 10342254.

It is an arithmetic number, because the mean of its divisors is an integer number (2605934520).

Almost surely, 2^25749113655 is an apocalyptic number.

25749113655 is a deficient number, since it is larger than the sum of its proper divisors (15945838665).

25749113655 is a wasteful number, since it uses less digits than its factorization.

25749113655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20682110.

The product of its digits is 1134000, while the sum is 48.

The spelling of 25749113655 in words is "twenty-five billion, seven hundred forty-nine million, one hundred thirteen thousand, six hundred fifty-five".