15172740000 has 720 divisors, whose sum is σ = 60177237120. Its totient is φ = 3594240000.

The previous prime is 15172739987. The next prime is 15172740007. The reversal of 15172740000 is 4727151.

It is a tau number, because it is divible by the number of its divisors (720).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15172740007) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 156419952 + ... + 156420048.

It is an arithmetic number, because the mean of its divisors is an integer number (83579496).

Almost surely, 2^15172740000 is an apocalyptic number.

15172740000 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 15172740000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30088618560).

15172740000 is an abundant number, since it is smaller than the sum of its proper divisors (45004497120).

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

15172740000 is a wasteful number, since it uses less digits than its factorization.

15172740000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The spelling of 15172740000 in words is "fifteen billion, one hundred seventy-two million, seven hundred forty thousand".