551648846155 has 16 divisors (see below), whose sum is σ = 722203801344. Its totient is φ = 401173987680.

The previous prime is 551648846141. The next prime is 551648846183.

551648846155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 551648846155 - 2⁵ = 551648846123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 551648846155.

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, 593482 + ... + 1206448.

It is an arithmetic number, because the mean of its divisors is an integer number (45137737584).

Almost surely, 2^551648846155 is an apocalyptic number.

551648846155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

551648846155 is a deficient number, since it is larger than the sum of its proper divisors (170554955189).

551648846155 is a wasteful number, since it uses less digits than its factorization.

551648846155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629346.

The product of its digits is 23040000, while the sum is 58.

The spelling of 551648846155 in words is "five hundred fifty-one billion, six hundred forty-eight million, eight hundred forty-six thousand, one hundred fifty-five".