551055605013 has 12 divisors (see below), whose sum is σ = 842790925548. Its totient is φ = 345760379520.

The previous prime is 551055605011. The next prime is 551055605021. The reversal of 551055605013 is 310506550155.

551055605013 is a `hidden beast` number, since 5 + 51 + 0 + 556 + 0 + 50 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 435168466929 + 115887138084 = 659673^2 + 340422^2 .

It is not a de Polignac number, because 551055605013 - 2¹ = 551055605011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551055605011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1800835158 + ... + 1800835463.

It is an arithmetic number, because the mean of its divisors is an integer number (70232577129).

Almost surely, 2^551055605013 is an apocalyptic number.

It is an amenable number.

551055605013 is a deficient number, since it is larger than the sum of its proper divisors (291735320535).

551055605013 is a wasteful number, since it uses less digits than its factorization.

551055605013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601670644 (or 3601670641 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 36.

The spelling of 551055605013 in words is "five hundred fifty-one billion, fifty-five million, six hundred five thousand, thirteen".