15318842112 has 216 divisors, whose sum is σ = 53135496960. Its totient is φ = 4146370560.

The previous prime is 15318842111. The next prime is 15318842141. The reversal of 15318842112 is 21124881351.

It is a happy number.

15318842112 is a `hidden beast` number, since 1 + 53 + 188 + 421 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (15318842111) 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, 281437 + ... + 331427.

Almost surely, 2^15318842112 is an apocalyptic number.

15318842112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15318842112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26567748480).

15318842112 is an abundant number, since it is smaller than the sum of its proper divisors (37816654848).

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

15318842112 is a wasteful number, since it uses less digits than its factorization.

15318842112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50039 (or 50022 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The spelling of 15318842112 in words is "fifteen billion, three hundred eighteen million, eight hundred forty-two thousand, one hundred twelve".