25261034612 has 48 divisors (see below), whose sum is σ = 48464606400. Its totient is φ = 11425536000.

The previous prime is 25261034569. The next prime is 25261034647. The reversal of 25261034612 is 21643016252.

It is a congruent number.

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, 8858987 + ... + 8861837.

It is an arithmetic number, because the mean of its divisors is an integer number (1009679300).

Almost surely, 2^25261034612 is an apocalyptic number.

25261034612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25261034612 is a deficient number, since it is larger than the sum of its proper divisors (23203571788).

25261034612 is a wasteful number, since it uses less digits than its factorization.

25261034612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3792 (or 3790 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 25261034612 in words is "twenty-five billion, two hundred sixty-one million, thirty-four thousand, six hundred twelve".