551143341155 has 32 divisors (see below), whose sum is σ = 729164782080. Its totient is φ = 396574110720.

The previous prime is 551143341143. The next prime is 551143341173.

551143341155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 551143341155 - 2⁸ = 551143340899 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18972752 + ... + 19001778.

It is an arithmetic number, because the mean of its divisors is an integer number (22786399440).

Almost surely, 2^551143341155 is an apocalyptic number.

551143341155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

551143341155 is a deficient number, since it is larger than the sum of its proper divisors (178021440925).

551143341155 is a wasteful number, since it uses less digits than its factorization.

551143341155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32699.

The product of its digits is 90000, while the sum is 38.

It can be divided in two parts, 551143 and 341155, that added together give a palindrome (892298).

The spelling of 551143341155 in words is "five hundred fifty-one billion, one hundred forty-three million, three hundred forty-one thousand, one hundred fifty-five".