13560763861 has 2 divisors, whose sum is σ = 13560763862. Its totient is φ = 13560763860.

The previous prime is 13560763841. The next prime is 13560763871. The reversal of 13560763861 is 16836706531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9171701361 + 4389062500 = 95769^2 + 66250^2 .

It is a cyclic number.

It is not a de Polignac number, because 13560763861 - 2⁵ = 13560763829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13560763831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6780381930 + 6780381931.

It is an arithmetic number, because the mean of its divisors is an integer number (6780381931).

Almost surely, 2^13560763861 is an apocalyptic number.

It is an amenable number.

13560763861 is a deficient number, since it is larger than the sum of its proper divisors (1).

13560763861 is an equidigital number, since it uses as much as digits as its factorization.

13560763861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 13560763861 in words is "thirteen billion, five hundred sixty million, seven hundred sixty-three thousand, eight hundred sixty-one".