25890158922 has 32 divisors (see below), whose sum is σ = 51893581824. Its totient is φ = 8611200000.

The previous prime is 25890158911. The next prime is 25890158933. The reversal of 25890158922 is 22985109852.

It is an interprime number because it is at equal distance from previous prime (25890158911) and next prime (25890158933).

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, 6468922 + ... + 6472922.

It is an arithmetic number, because the mean of its divisors is an integer number (1621674432).

Almost surely, 2^25890158922 is an apocalyptic number.

25890158922 is an abundant number, since it is smaller than the sum of its proper divisors (26003422902).

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

25890158922 is a wasteful number, since it uses less digits than its factorization.

25890158922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6094.

The product of its (nonzero) digits is 1036800, while the sum is 51.

The spelling of 25890158922 in words is "twenty-five billion, eight hundred ninety million, one hundred fifty-eight thousand, nine hundred twenty-two".