11560555507 has 2 divisors, whose sum is σ = 11560555508. Its totient is φ = 11560555506.

The previous prime is 11560555499. The next prime is 11560555541. The reversal of 11560555507 is 70555506511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11560555507 - 2³ = 11560555499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11560555507.

It is not a weakly prime, because it can be changed into another prime (11560555597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5780277753 + 5780277754.

It is an arithmetic number, because the mean of its divisors is an integer number (5780277754).

Almost surely, 2^11560555507 is an apocalyptic number.

11560555507 is a deficient number, since it is larger than the sum of its proper divisors (1).

11560555507 is an equidigital number, since it uses as much as digits as its factorization.

11560555507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131250, while the sum is 40.

The spelling of 11560555507 in words is "eleven billion, five hundred sixty million, five hundred fifty-five thousand, five hundred seven".