551252075813 has 4 divisors (see below), whose sum is σ = 556403964480. Its totient is φ = 546100187148.

The previous prime is 551252075807. The next prime is 551252075873. The reversal of 551252075813 is 318570252155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 551252075813 - 2²⁰ = 551251027237 is a prime.

It is a super-2 number, since 2×551252075813² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551252075873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2575944173 + ... + 2575944386.

It is an arithmetic number, because the mean of its divisors is an integer number (139100991120).

Almost surely, 2^551252075813 is an apocalyptic number.

It is an amenable number.

551252075813 is a deficient number, since it is larger than the sum of its proper divisors (5151888667).

551252075813 is a wasteful number, since it uses less digits than its factorization.

551252075813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151888666.

The product of its (nonzero) digits is 420000, while the sum is 44.

The spelling of 551252075813 in words is "five hundred fifty-one billion, two hundred fifty-two million, seventy-five thousand, eight hundred thirteen".