551251315025 has 24 divisors (see below), whose sum is σ = 701017777824. Its totient is φ = 429756969600.

The previous prime is 551251315003. The next prime is 551251315079. The reversal of 551251315025 is 520513152155.

It is not a de Polignac number, because 551251315025 - 2⁶ = 551251314961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 600542 + ... + 1209608.

It is an arithmetic number, because the mean of its divisors is an integer number (29209074076).

Almost surely, 2^551251315025 is an apocalyptic number.

It is an amenable number.

551251315025 is a deficient number, since it is larger than the sum of its proper divisors (149766462799).

551251315025 is a wasteful number, since it uses less digits than its factorization.

551251315025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610001 (or 609996 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 35.

The spelling of 551251315025 in words is "five hundred fifty-one billion, two hundred fifty-one million, three hundred fifteen thousand, twenty-five".