15103116 has 72 divisors (see below), whose sum is σ = 44282784. Its totient is φ = 4250880.

The previous prime is 15103103. The next prime is 15103133. The reversal of 15103116 is 61130151.

15103116 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15103116² = 456208225818912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17986 + ... + 18806.

Almost surely, 2^15103116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15103116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22141392).

15103116 is an abundant number, since it is smaller than the sum of its proper divisors (29179668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15103116 is a wasteful number, since it uses less digits than its factorization.

15103116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 15103116 is about 3886.2727644878. The cubic root of 15103116 is about 247.1850416688.

Adding to 15103116 its reverse (61130151), we get a palindrome (76233267).

The spelling of 15103116 in words is "fifteen million, one hundred three thousand, one hundred sixteen".