25275280255 has 16 divisors (see below), whose sum is σ = 30514872960. Its totient is φ = 20097407232.

The previous prime is 25275280243. The next prime is 25275280319. The reversal of 25275280255 is 55208257252.

It is a cyclic number.

It is not a de Polignac number, because 25275280255 - 2²⁵ = 25241725823 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, 1011067 + ... + 1035763.

It is an arithmetic number, because the mean of its divisors is an integer number (1907179560).

Almost surely, 2^25275280255 is an apocalyptic number.

25275280255 is a deficient number, since it is larger than the sum of its proper divisors (5239592705).

25275280255 is a wasteful number, since it uses less digits than its factorization.

25275280255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25938.

The product of its (nonzero) digits is 560000, while the sum is 43.

The spelling of 25275280255 in words is "twenty-five billion, two hundred seventy-five million, two hundred eighty thousand, two hundred fifty-five".