551105561013 has 16 divisors (see below), whose sum is σ = 848437430400. Its totient is φ = 311670890496.

The previous prime is 551105561011. The next prime is 551105561021. The reversal of 551105561013 is 310165501155.

It is not a de Polignac number, because 551105561013 - 2¹ = 551105561011 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551105561011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135271788 + ... + 135275861.

It is an arithmetic number, because the mean of its divisors is an integer number (53027339400).

Almost surely, 2^551105561013 is an apocalyptic number.

It is an amenable number.

551105561013 is a deficient number, since it is larger than the sum of its proper divisors (297331869387).

551105561013 is a wasteful number, since it uses less digits than its factorization.

551105561013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270547756.

The product of its (nonzero) digits is 11250, while the sum is 33.

The spelling of 551105561013 in words is "five hundred fifty-one billion, one hundred five million, five hundred sixty-one thousand, thirteen".