15148728013 has 2 divisors, whose sum is σ = 15148728014. Its totient is φ = 15148728012.

The previous prime is 15148727989. The next prime is 15148728017. The reversal of 15148728013 is 31082784151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12446079844 + 2702648169 = 111562^2 + 51987^2 .

It is a cyclic number.

It is not a de Polignac number, because 15148728013 - 2²⁵ = 15115173581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15148728017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7574364006 + 7574364007.

It is an arithmetic number, because the mean of its divisors is an integer number (7574364007).

Almost surely, 2^15148728013 is an apocalyptic number.

It is an amenable number.

15148728013 is a deficient number, since it is larger than the sum of its proper divisors (1).

15148728013 is an equidigital number, since it uses as much as digits as its factorization.

15148728013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 15148728013 in words is "fifteen billion, one hundred forty-eight million, seven hundred twenty-eight thousand, thirteen".