551343444343155 has 16 divisors (see below), whose sum is σ = 980166123276960. Its totient is φ = 294049836982944.

The previous prime is 551343444343039. The next prime is 551343444343163.

551343444343155 is a `hidden beast` number, since 5 + 5 + 1 + 3 + 4 + 3 + 4 + 443 + 43 + 155 = 666.

551343444343155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 551343444343155 - 2³⁸ = 551068566436211 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2042012756692 + ... + 2042012756961.

It is an arithmetic number, because the mean of its divisors is an integer number (61260382704810).

Almost surely, 2^{551343444343155} is an apocalyptic number.

551343444343155 is a deficient number, since it is larger than the sum of its proper divisors (428822678933805).

551343444343155 is a wasteful number, since it uses less digits than its factorization.

551343444343155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084025513667 (or 4084025513661 counting only the distinct ones).

The product of its digits is 51840000, while the sum is 54.

The spelling of 551343444343155 in words is "five hundred fifty-one trillion, three hundred forty-three billion, four hundred forty-four million, three hundred forty-three thousand, one hundred fifty-five".