15115500007 has 2 divisors, whose sum is σ = 15115500008. Its totient is φ = 15115500006.

The previous prime is 15115499983. The next prime is 15115500011. The reversal of 15115500007 is 70000551151.

It is a strong prime.

It is an emirp because it is prime and its reverse (70000551151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15115500007 - 2¹¹ = 15115497959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15115500067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7557750003 + 7557750004.

It is an arithmetic number, because the mean of its divisors is an integer number (7557750004).

Almost surely, 2^15115500007 is an apocalyptic number.

15115500007 is a deficient number, since it is larger than the sum of its proper divisors (1).

15115500007 is an equidigital number, since it uses as much as digits as its factorization.

15115500007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 875, while the sum is 25.

The spelling of 15115500007 in words is "fifteen billion, one hundred fifteen million, five hundred thousand, seven".