551283382155 has 16 divisors (see below), whose sum is σ = 962240085504. Its totient is φ = 267288912480.

The previous prime is 551283382147. The next prime is 551283382249.

551283382155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 551283382155 - 2³ = 551283382147 is a prime.

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, 1670555539 + ... + 1670555868.

It is an arithmetic number, because the mean of its divisors is an integer number (60140005344).

Almost surely, 2^551283382155 is an apocalyptic number.

551283382155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

551283382155 is a deficient number, since it is larger than the sum of its proper divisors (410956703349).

551283382155 is a wasteful number, since it uses less digits than its factorization.

551283382155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341111426.

The product of its digits is 1440000, while the sum is 48.

The spelling of 551283382155 in words is "five hundred fifty-one billion, two hundred eighty-three million, three hundred eighty-two thousand, one hundred fifty-five".