551577775155 has 16 divisors (see below), whose sum is σ = 962753935104. Its totient is φ = 267431648480.

The previous prime is 551577775097. The next prime is 551577775157.

551577775155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 551577775155 - 2⁸ = 551577774899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551577775157) 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 15 ways as a sum of consecutive naturals, for example, 1671447639 + ... + 1671447968.

It is an arithmetic number, because the mean of its divisors is an integer number (60172120944).

Almost surely, 2^551577775155 is an apocalyptic number.

551577775155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

551577775155 is a deficient number, since it is larger than the sum of its proper divisors (411176159949).

551577775155 is a wasteful number, since it uses less digits than its factorization.

551577775155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342895626.

The product of its digits is 37515625, while the sum is 60.

The spelling of 551577775155 in words is "five hundred fifty-one billion, five hundred seventy-seven million, seven hundred seventy-five thousand, one hundred fifty-five".