551302203155 has 32 divisors (see below), whose sum is σ = 734874745536. Its totient is φ = 396976800000.

The previous prime is 551302203149. The next prime is 551302203223.

551302203155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 551302203155 - 2⁴ = 551302203139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262055 + ... + 1082255.

It is an arithmetic number, because the mean of its divisors is an integer number (22964835798).

Almost surely, 2^551302203155 is an apocalyptic number.

551302203155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

551302203155 is a deficient number, since it is larger than the sum of its proper divisors (183572542381).

551302203155 is a wasteful number, since it uses less digits than its factorization.

551302203155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820340 (or 820318 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

It can be divided in two parts, 551302 and 203155, that added together give a palindrome (754457).

The spelling of 551302203155 in words is "five hundred fifty-one billion, three hundred two million, two hundred three thousand, one hundred fifty-five".