551150565051 has 4 divisors (see below), whose sum is σ = 734867420072. Its totient is φ = 367433710032.

The previous prime is 551150565047. The next prime is 551150565067. The reversal of 551150565051 is 150565051155.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 551150565051 - 2² = 551150565047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551150565001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91858427506 + ... + 91858427511.

It is an arithmetic number, because the mean of its divisors is an integer number (183716855018).

Almost surely, 2^551150565051 is an apocalyptic number.

551150565051 is a deficient number, since it is larger than the sum of its proper divisors (183716855021).

551150565051 is a wasteful number, since it uses less digits than its factorization.

551150565051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183716855020.

The product of its (nonzero) digits is 93750, while the sum is 39.

The spelling of 551150565051 in words is "five hundred fifty-one billion, one hundred fifty million, five hundred sixty-five thousand, fifty-one".