25225152112 has 40 divisors (see below), whose sum is σ = 51021868320. Its totient is φ = 12058717440.

The previous prime is 25225152107. The next prime is 25225152131. The reversal of 25225152112 is 21125152252.

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, 861814 + ... + 890602.

It is an arithmetic number, because the mean of its divisors is an integer number (1275546708).

Almost surely, 2^25225152112 is an apocalyptic number.

It is an amenable number.

25225152112 is an abundant number, since it is smaller than the sum of its proper divisors (25796716208).

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

25225152112 is a wasteful number, since it uses less digits than its factorization.

25225152112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31201 (or 31195 counting only the distinct ones).

The product of its digits is 4000, while the sum is 28.

The spelling of 25225152112 in words is "twenty-five billion, two hundred twenty-five million, one hundred fifty-two thousand, one hundred twelve".