551560516001 has 16 divisors (see below), whose sum is σ = 618715851648. Its totient is φ = 487273708800.

The previous prime is 551560515991. The next prime is 551560516049. The reversal of 551560516001 is 100615065155.

It is a cyclic number.

It is not a de Polignac number, because 551560516001 - 2¹⁰ = 551560514977 is a prime.

It is a super-2 number, since 2×551560516001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551560516081) 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, 488360 + ... + 1158281.

It is an arithmetic number, because the mean of its divisors is an integer number (38669740728).

Almost surely, 2^551560516001 is an apocalyptic number.

It is an amenable number.

551560516001 is a deficient number, since it is larger than the sum of its proper divisors (67155335647).

551560516001 is a wasteful number, since it uses less digits than its factorization.

551560516001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647512.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 551560516001 in words is "five hundred fifty-one billion, five hundred sixty million, five hundred sixteen thousand, one".