11560554517 has 2 divisors, whose sum is σ = 11560554518. Its totient is φ = 11560554516.

The previous prime is 11560554449. The next prime is 11560554529. The reversal of 11560554517 is 71545506511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6278026756 + 5282527761 = 79234^2 + 72681^2 .

It is a cyclic number.

It is not a de Polignac number, because 11560554517 - 2³¹ = 9413070869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11560554517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11560554587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5780277258 + 5780277259.

It is an arithmetic number, because the mean of its divisors is an integer number (5780277259).

Almost surely, 2^11560554517 is an apocalyptic number.

It is an amenable number.

11560554517 is a deficient number, since it is larger than the sum of its proper divisors (1).

11560554517 is an equidigital number, since it uses as much as digits as its factorization.

11560554517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105000, while the sum is 40.

The spelling of 11560554517 in words is "eleven billion, five hundred sixty million, five hundred fifty-four thousand, five hundred seventeen".