25055747612 has 36 divisors (see below), whose sum is σ = 51068798424. Its totient is φ = 10725029280.

The previous prime is 25055747557. The next prime is 25055747623. The reversal of 25055747612 is 21674755052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83063 + ... + 238769.

It is an arithmetic number, because the mean of its divisors is an integer number (1418577734).

Almost surely, 2^25055747612 is an apocalyptic number.

It is an amenable number.

25055747612 is an abundant number, since it is smaller than the sum of its proper divisors (26013050812).

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

25055747612 is a wasteful number, since it uses less digits than its factorization.

25055747612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156546 (or 156537 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 44.

The spelling of 25055747612 in words is "twenty-five billion, fifty-five million, seven hundred forty-seven thousand, six hundred twelve".