15100638720 has 160 divisors (see below), whose sum is σ = 49940241120. Its totient is φ = 3887923200.

The previous prime is 15100638703. The next prime is 15100638731. The reversal of 15100638720 is 2783600151.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188820 + ... + 256620.

It is an arithmetic number, because the mean of its divisors is an integer number (312126507).

Almost surely, 2^15100638720 is an apocalyptic number.

15100638720 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 15100638720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24970120560).

15100638720 is an abundant number, since it is smaller than the sum of its proper divisors (34839602400).

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

15100638720 is an equidigital number, since it uses as much as digits as its factorization.

15100638720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67856 (or 67840 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 15100638720 in words is "fifteen billion, one hundred million, six hundred thirty-eight thousand, seven hundred twenty".