551445567707131 has 4 divisors (see below), whose sum is σ = 551446492210432. Its totient is φ = 551444643203832.

The previous prime is 551445567707093. The next prime is 551445567707149. The reversal of 551445567707131 is 131707765544155.

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

It is a cyclic number.

It is not a de Polignac number, because 551445567707131 - 2⁷ = 551445567707003 is a prime.

It is a super-2 number, since 2×551445567707131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 551445567707131.

It is not an unprimeable number, because it can be changed into a prime (551445567707191) 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, 461356356 + ... + 462550081.

It is an arithmetic number, because the mean of its divisors is an integer number (137861623052608).

Almost surely, 2^{551445567707131} is an apocalyptic number.

551445567707131 is a deficient number, since it is larger than the sum of its proper divisors (924503301).

551445567707131 is an equidigital number, since it uses as much as digits as its factorization.

551445567707131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924503300.

The product of its (nonzero) digits is 61740000, while the sum is 61.

The spelling of 551445567707131 in words is "five hundred fifty-one trillion, four hundred forty-five billion, five hundred sixty-seven million, seven hundred seven thousand, one hundred thirty-one".