15115500005 has 8 divisors (see below), whose sum is σ = 18170821152. Its totient is φ = 12070919248.

The previous prime is 15115499983. The next prime is 15115500007. The reversal of 15115500005 is 50000551151.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15115500005 - 2²⁸ = 14847064549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15115500007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2681999 + ... + 2687628.

It is an arithmetic number, because the mean of its divisors is an integer number (2271352644).

Almost surely, 2^15115500005 is an apocalyptic number.

It is an amenable number.

15115500005 is a deficient number, since it is larger than the sum of its proper divisors (3055321147).

15115500005 is an equidigital number, since it uses as much as digits as its factorization.

15115500005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5370195.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 15115500005 in words is "fifteen billion, one hundred fifteen million, five hundred thousand, five".