15103323512112 has 120 divisors (see below), whose sum is σ = 43159529762608. Its totient is φ = 4547613058560.

The previous prime is 15103323512089. The next prime is 15103323512117. The reversal of 15103323512112 is 21121532330151.

It is a happy number.

15103323512112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15103323512112² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15103323512112.

It is not an unprimeable number, because it can be changed into a prime (15103323512117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7369783 + ... + 9193494.

Almost surely, 2^{15103323512112} is an apocalyptic number.

15103323512112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15103323512112 is an abundant number, since it is smaller than the sum of its proper divisors (28056206250496).

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

15103323512112 is a wasteful number, since it uses less digits than its factorization.

15103323512112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16563467 (or 16563450 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 15103323512112 its reverse (21121532330151), we get a palindrome (36224855842263).

The spelling of 15103323512112 in words is "fifteen trillion, one hundred three billion, three hundred twenty-three million, five hundred twelve thousand, one hundred twelve".