15189801120 has 216 divisors, whose sum is σ = 56130135516. Its totient is φ = 3738968064.

The previous prime is 15189801119. The next prime is 15189801139. The reversal of 15189801120 is 2110898151.

It can be written as a sum of positive squares in 6 ways, for example, as 10575504 + 15179225616 = 3252^2 + 123204^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 212152 + ... + 274568.

Almost surely, 2^15189801120 is an apocalyptic number.

15189801120 is a gapful number since it is divisible by the number (10) 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 15189801120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28065067758).

15189801120 is an abundant number, since it is smaller than the sum of its proper divisors (40940334396).

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

15189801120 is a wasteful number, since it uses less digits than its factorization.

15189801120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62464 (or 62440 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 36.

The spelling of 15189801120 in words is "fifteen billion, one hundred eighty-nine million, eight hundred one thousand, one hundred twenty".