25251112412 has 12 divisors (see below), whose sum is σ = 44235150960. Its totient is φ = 12612497856.

The previous prime is 25251112391. The next prime is 25251112421. The reversal of 25251112412 is 21421115252.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3260237 + ... + 3267972.

It is an arithmetic number, because the mean of its divisors is an integer number (3686262580).

Almost surely, 2^25251112412 is an apocalyptic number.

It is an amenable number.

25251112412 is a deficient number, since it is larger than the sum of its proper divisors (18984038548).

25251112412 is a wasteful number, since it uses less digits than its factorization.

25251112412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6529180 (or 6529178 counting only the distinct ones).

The product of its digits is 1600, while the sum is 26.

Adding to 25251112412 its reverse (21421115252), we get a palindrome (46672227664).

The spelling of 25251112412 in words is "twenty-five billion, two hundred fifty-one million, one hundred twelve thousand, four hundred twelve".