13144425115 has 16 divisors (see below), whose sum is σ = 16180487136. Its totient is φ = 10245312000.

The previous prime is 13144425101. The next prime is 13144425137. The reversal of 13144425115 is 51152444131.

It is a de Polignac number, because none of the positive numbers 2^k-13144425115 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9985 + ... + 162445.

It is an arithmetic number, because the mean of its divisors is an integer number (1011280446).

Almost surely, 2^13144425115 is an apocalyptic number.

13144425115 is a deficient number, since it is larger than the sum of its proper divisors (3036062021).

13144425115 is a wasteful number, since it uses less digits than its factorization.

13144425115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152910.

The product of its digits is 9600, while the sum is 31.

Adding to 13144425115 its reverse (51152444131), we get a palindrome (64296869246).

The spelling of 13144425115 in words is "thirteen billion, one hundred forty-four million, four hundred twenty-five thousand, one hundred fifteen".