551135531155 has 8 divisors (see below), whose sum is σ = 721486513584. Its totient is φ = 400825840800.

The previous prime is 551135531153. The next prime is 551135531201.

551135531155 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 551135531155 - 2¹ = 551135531153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551135531153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5010322956 + ... + 5010323065.

It is an arithmetic number, because the mean of its divisors is an integer number (90185814198).

Almost surely, 2^551135531155 is an apocalyptic number.

551135531155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

551135531155 is a deficient number, since it is larger than the sum of its proper divisors (170350982429).

551135531155 is a wasteful number, since it uses less digits than its factorization.

551135531155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10020646037.

The product of its digits is 140625, while the sum is 40.

The spelling of 551135531155 in words is "five hundred fifty-one billion, one hundred thirty-five million, five hundred thirty-one thousand, one hundred fifty-five".