15049638113 has 2 divisors, whose sum is σ = 15049638114. Its totient is φ = 15049638112.

The previous prime is 15049638077. The next prime is 15049638137. The reversal of 15049638113 is 31183694051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14581045504 + 468592609 = 120752^2 + 21647^2 .

It is a cyclic number.

It is not a de Polignac number, because 15049638113 - 2¹⁰ = 15049637089 is a prime.

It is not a weakly prime, because it can be changed into another prime (15049698113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7524819056 + 7524819057.

It is an arithmetic number, because the mean of its divisors is an integer number (7524819057).

Almost surely, 2^15049638113 is an apocalyptic number.

It is an amenable number.

15049638113 is a deficient number, since it is larger than the sum of its proper divisors (1).

15049638113 is an equidigital number, since it uses as much as digits as its factorization.

15049638113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 15049638113 in words is "fifteen billion, forty-nine million, six hundred thirty-eight thousand, one hundred thirteen".