2015883169897 has 2 divisors, whose sum is σ = 2015883169898. Its totient is φ = 2015883169896.

The previous prime is 2015883169849. The next prime is 2015883169901. The reversal of 2015883169897 is 7989613885102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1549798418281 + 466084751616 = 1244909^2 + 682704^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2015883169897 is a prime.

It is not a weakly prime, because it can be changed into another prime (2015883169847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007941584948 + 1007941584949.

It is an arithmetic number, because the mean of its divisors is an integer number (1007941584949).

Almost surely, 2^{2015883169897} is an apocalyptic number.

It is an amenable number.

2015883169897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015883169897 is an equidigital number, since it uses as much as digits as its factorization.

2015883169897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52254720, while the sum is 67.

The spelling of 2015883169897 in words is "two trillion, fifteen billion, eight hundred eighty-three million, one hundred sixty-nine thousand, eight hundred ninety-seven".