15272781880320 has 792 divisors, whose sum is σ = 57847023733200. Its totient is φ = 3858225758208.

The previous prime is 15272781880303. The next prime is 15272781880361. The reversal of 15272781880320 is 2308818727251.

It is a happy number.

15272781880320 is a `hidden beast` number, since 1 + 5 + 2 + 72 + 78 + 188 + 0 + 320 = 666.

15272781880320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 638242116 + ... + 638266044.

Almost surely, 2^{15272781880320} is an apocalyptic number.

15272781880320 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 15272781880320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28923511866600).

15272781880320 is an abundant number, since it is smaller than the sum of its proper divisors (42574241852880).

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

15272781880320 is an frugal number, since it uses more digits than its factorization.

15272781880320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23997 (or 23958 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 54.

The spelling of 15272781880320 in words is "fifteen trillion, two hundred seventy-two billion, seven hundred eighty-one million, eight hundred eighty thousand, three hundred twenty".