551560511615 has 16 divisors (see below), whose sum is σ = 662517398016. Its totient is φ = 440818778400.

The previous prime is 551560511599. The next prime is 551560511617. The reversal of 551560511615 is 516115065155.

It is not a de Polignac number, because 551560511615 - 2⁴ = 551560511599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551560511617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23132750 + ... + 23156580.

It is an arithmetic number, because the mean of its divisors is an integer number (41407337376).

Almost surely, 2^551560511615 is an apocalyptic number.

551560511615 is a deficient number, since it is larger than the sum of its proper divisors (110956886401).

551560511615 is a wasteful number, since it uses less digits than its factorization.

551560511615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28150.

The product of its (nonzero) digits is 112500, while the sum is 41.

The spelling of 551560511615 in words is "five hundred fifty-one billion, five hundred sixty million, five hundred eleven thousand, six hundred fifteen".