551122580065 has 16 divisors (see below), whose sum is σ = 661927218768. Its totient is φ = 440511492096.

The previous prime is 551122580059. The next prime is 551122580081. The reversal of 551122580065 is 560085221155.

It can be written as a sum of positive squares in 8 ways, for example, as 12642528721 + 538480051344 = 112439^2 + 733812^2 .

It is a cyclic number.

It is not a de Polignac number, because 551122580065 - 2²³ = 551114191457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33078217 + ... + 33094873.

It is an arithmetic number, because the mean of its divisors is an integer number (41370451173).

Almost surely, 2^551122580065 is an apocalyptic number.

It is an amenable number.

551122580065 is a deficient number, since it is larger than the sum of its proper divisors (110804638703).

551122580065 is a wasteful number, since it uses less digits than its factorization.

551122580065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22068.

The product of its (nonzero) digits is 120000, while the sum is 40.

The spelling of 551122580065 in words is "five hundred fifty-one billion, one hundred twenty-two million, five hundred eighty thousand, sixty-five".