551070255078 has 24 divisors (see below), whose sum is σ = 1364554917648. Its totient is φ = 157448644272.

The previous prime is 551070255067. The next prime is 551070255097. The reversal of 551070255078 is 870552070155.

551070255078 is a `hidden beast` number, since 5 + 51 + 0 + 70 + 25 + 507 + 8 = 666.

It is a Curzon number.

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, 2186786601 + ... + 2186786852.

It is an arithmetic number, because the mean of its divisors is an integer number (56856454902).

Almost surely, 2^551070255078 is an apocalyptic number.

551070255078 is an abundant number, since it is smaller than the sum of its proper divisors (813484662570).

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

551070255078 is a wasteful number, since it uses less digits than its factorization.

551070255078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4373573468 (or 4373573465 counting only the distinct ones).

The product of its (nonzero) digits is 490000, while the sum is 45.

The spelling of 551070255078 in words is "five hundred fifty-one billion, seventy million, two hundred fifty-five thousand, seventy-eight".