15189709115009 has 16 divisors (see below), whose sum is σ = 17879504678784. Its totient is φ = 12722143324800.

The previous prime is 15189709114973. The next prime is 15189709115023. The reversal of 15189709115009 is 90051190798151.

It is a de Polignac number, because none of the positive numbers 2^k-15189709115009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15189709115069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101865749 + ... + 102014754.

It is an arithmetic number, because the mean of its divisors is an integer number (1117469042424).

Almost surely, 2^{15189709115009} is an apocalyptic number.

It is an amenable number.

15189709115009 is a deficient number, since it is larger than the sum of its proper divisors (2689795563775).

15189709115009 is a wasteful number, since it uses less digits than its factorization.

15189709115009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203881048.

The product of its (nonzero) digits is 1020600, while the sum is 56.

The spelling of 15189709115009 in words is "fifteen trillion, one hundred eighty-nine billion, seven hundred nine million, one hundred fifteen thousand, nine".