2015711160989 has 2 divisors, whose sum is σ = 2015711160990. Its totient is φ = 2015711160988.

The previous prime is 2015711160941. The next prime is 2015711161027. The reversal of 2015711160989 is 9890611175102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1476723192025 + 538987968964 = 1215205^2 + 734158^2 .

It is a cyclic number.

It is not a de Polignac number, because 2015711160989 - 2²⁰ = 2015710112413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2015711162989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007855580494 + 1007855580495.

It is an arithmetic number, because the mean of its divisors is an integer number (1007855580495).

Almost surely, 2^{2015711160989} is an apocalyptic number.

It is an amenable number.

2015711160989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015711160989 is an equidigital number, since it uses as much as digits as its factorization.

2015711160989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 50.

The spelling of 2015711160989 in words is "two trillion, fifteen billion, seven hundred eleven million, one hundred sixty thousand, nine hundred eighty-nine".