25541252655 has 16 divisors (see below), whose sum is σ = 40900059744. Its totient is φ = 13610649600.

The previous prime is 25541252623. The next prime is 25541252669. The reversal of 25541252655 is 55625214552.

It is a happy number.

It is not a de Polignac number, because 25541252655 - 2⁵ = 25541252623 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, 690874 + ... + 726903.

It is an arithmetic number, because the mean of its divisors is an integer number (2556253734).

Almost surely, 2^25541252655 is an apocalyptic number.

25541252655 is a deficient number, since it is larger than the sum of its proper divisors (15358807089).

25541252655 is a wasteful number, since it uses less digits than its factorization.

25541252655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418986.

The product of its digits is 600000, while the sum is 42.

The spelling of 25541252655 in words is "twenty-five billion, five hundred forty-one million, two hundred fifty-two thousand, six hundred fifty-five".