15497408113 has 6 divisors (see below), whose sum is σ = 17034341282. Its totient is φ = 14088552720.

The previous prime is 15497408081. The next prime is 15497408203. The reversal of 15497408113 is 31180479451.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11330963809 + 4166444304 = 106447^2 + 64548^2 .

It is not a de Polignac number, because 15497408113 - 2⁵ = 15497408081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15497408113.

It is not an unprimeable number, because it can be changed into a prime (15497408713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64038756 + ... + 64038997.

Almost surely, 2^15497408113 is an apocalyptic number.

It is an amenable number.

15497408113 is a deficient number, since it is larger than the sum of its proper divisors (1536933169).

15497408113 is a wasteful number, since it uses less digits than its factorization.

15497408113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128077775 (or 128077764 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 15497408113 in words is "fifteen billion, four hundred ninety-seven million, four hundred eight thousand, one hundred thirteen".