15113431145 has 8 divisors (see below), whose sum is σ = 18365688960. Its totient is φ = 11937697200.

The previous prime is 15113431141. The next prime is 15113431153. The reversal of 15113431145 is 54113431151.

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

It is not a de Polignac number, because 15113431145 - 2² = 15113431141 is a prime.

It is a super-2 number, since 2×15113431145² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15113431141) 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, 19130531 + ... + 19131320.

It is an arithmetic number, because the mean of its divisors is an integer number (2295711120).

Almost surely, 2^15113431145 is an apocalyptic number.

It is an amenable number.

15113431145 is a deficient number, since it is larger than the sum of its proper divisors (3252257815).

15113431145 is an equidigital number, since it uses as much as digits as its factorization.

15113431145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38261935.

The product of its digits is 3600, while the sum is 29.

Adding to 15113431145 its reverse (54113431151), we get a palindrome (69226862296).

The spelling of 15113431145 in words is "fifteen billion, one hundred thirteen million, four hundred thirty-one thousand, one hundred forty-five".