551044404440155 has 8 divisors (see below), whose sum is σ = 661482966931200. Its totient is φ = 440682402483456.

The previous prime is 551044404440147. The next prime is 551044404440191.

551044404440155 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551044404440155 - 2³ = 551044404440147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19140117750 + ... + 19140146539.

It is an arithmetic number, because the mean of its divisors is an integer number (82685370866400).

Almost surely, 2^{551044404440155} is an apocalyptic number.

551044404440155 is a deficient number, since it is larger than the sum of its proper divisors (110438562491045).

551044404440155 is a wasteful number, since it uses less digits than its factorization.

551044404440155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38280267173.

The product of its (nonzero) digits is 2560000, while the sum is 46.

It can be divided in two parts, 55104440 and 4440155, that added together give a palindrome (59544595).

The spelling of 551044404440155 in words is "five hundred fifty-one trillion, forty-four billion, four hundred four million, four hundred forty thousand, one hundred fifty-five".