25506260022 has 16 divisors (see below), whose sum is σ = 53697389760. Its totient is φ = 8054608392.

The previous prime is 25506260009. The next prime is 25506260081. The reversal of 25506260022 is 22006260552.

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, 111869448 + ... + 111869675.

It is an arithmetic number, because the mean of its divisors is an integer number (3356086860).

Almost surely, 2^25506260022 is an apocalyptic number.

25506260022 is an abundant number, since it is smaller than the sum of its proper divisors (28191129738).

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

25506260022 is a wasteful number, since it uses less digits than its factorization.

25506260022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223739147.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 25506260022 in words is "twenty-five billion, five hundred six million, two hundred sixty thousand, twenty-two".