25000014512 has 20 divisors (see below), whose sum is σ = 52840940136. Its totient is φ = 11363642880.

The previous prime is 25000014509. The next prime is 25000014527. The reversal of 25000014512 is 21541000052.

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, 71022593 + ... + 71022944.

Almost surely, 2^25000014512 is an apocalyptic number.

25000014512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25000014512 is an abundant number, since it is smaller than the sum of its proper divisors (27840925624).

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

25000014512 is a wasteful number, since it uses less digits than its factorization.

25000014512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142045556 (or 142045550 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 25000014512 its reverse (21541000052), we get a palindrome (46541014564).

The spelling of 25000014512 in words is "twenty-five billion, fourteen thousand, five hundred twelve".