15169994112 has 256 divisors, whose sum is σ = 50536120320. Its totient is φ = 3924910080.

The previous prime is 15169994101. The next prime is 15169994129. The reversal of 15169994112 is 21149996151.

It is a super-2 number, since 2×15169994112² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1847937 + ... + 1856127.

It is an arithmetic number, because the mean of its divisors is an integer number (197406720).

Almost surely, 2^15169994112 is an apocalyptic number.

15169994112 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 15169994112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25268060160).

15169994112 is an abundant number, since it is smaller than the sum of its proper divisors (35366126208).

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

15169994112 is a wasteful number, since it uses less digits than its factorization.

15169994112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8281 (or 8269 counting only the distinct ones).

The product of its digits is 174960, while the sum is 48.

The spelling of 15169994112 in words is "fifteen billion, one hundred sixty-nine million, nine hundred ninety-four thousand, one hundred twelve".