15056060016649 has 2 divisors, whose sum is σ = 15056060016650. Its totient is φ = 15056060016648.

The previous prime is 15056060016497. The next prime is 15056060016709. The reversal of 15056060016649 is 94661006065051.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11170588271049 + 3885471745600 = 3342243^2 + 1971160^2 .

It is a cyclic number.

It is not a de Polignac number, because 15056060016649 - 2²⁹ = 15055523145737 is a prime.

It is not a weakly prime, because it can be changed into another prime (15056060046649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7528030008324 + 7528030008325.

It is an arithmetic number, because the mean of its divisors is an integer number (7528030008325).

Almost surely, 2^{15056060016649} is an apocalyptic number.

It is an amenable number.

15056060016649 is a deficient number, since it is larger than the sum of its proper divisors (1).

15056060016649 is an equidigital number, since it uses as much as digits as its factorization.

15056060016649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 15056060016649 in words is "fifteen trillion, fifty-six billion, sixty million, sixteen thousand, six hundred forty-nine".