15315116 has 24 divisors (see below), whose sum is σ = 27936384. Its totient is φ = 7338240.

The previous prime is 15315107. The next prime is 15315119. The reversal of 15315116 is 61151351.

15315116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15315091 and 15315100.

It is not an unprimeable number, because it can be changed into a prime (15315119) 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, 13466 + ... + 14558.

It is an arithmetic number, because the mean of its divisors is an integer number (1164016).

Almost surely, 2^15315116 is an apocalyptic number.

It is an amenable number.

15315116 is a deficient number, since it is larger than the sum of its proper divisors (12621268).

15315116 is a wasteful number, since it uses less digits than its factorization.

15315116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 1239 counting only the distinct ones).

The product of its digits is 450, while the sum is 23.

The square root of 15315116 is about 3913.4532065683. The cubic root of 15315116 is about 248.3362374729.

Adding to 15315116 its reverse (61151351), we get a palindrome (76466467).

The spelling of 15315116 in words is "fifteen million, three hundred fifteen thousand, one hundred sixteen".