551560511599 has 2 divisors, whose sum is σ = 551560511600. Its totient is φ = 551560511598.

The previous prime is 551560511597. The next prime is 551560511617. The reversal of 551560511599 is 995115065155.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551560511599 - 2¹ = 551560511597 is a prime.

It is a super-2 number, since 2×551560511599² (a number of 24 digits) contains 22 as substring.

Together with 551560511597, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551560511597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275780255799 + 275780255800.

It is an arithmetic number, because the mean of its divisors is an integer number (275780255800).

Almost surely, 2^551560511599 is an apocalyptic number.

551560511599 is a deficient number, since it is larger than the sum of its proper divisors (1).

551560511599 is an equidigital number, since it uses as much as digits as its factorization.

551560511599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1518750, while the sum is 52.

The spelling of 551560511599 in words is "five hundred fifty-one billion, five hundred sixty million, five hundred eleven thousand, five hundred ninety-nine".