9315772115328 has 480 divisors, whose sum is σ = 32265048816000. Its totient is φ = 2660398110720.

The previous prime is 9315772115291. The next prime is 9315772115333. The reversal of 9315772115328 is 8235112775139.

9315772115328 is a `hidden beast` number, since 9 + 3 + 1 + 577 + 2 + 11 + 53 + 2 + 8 = 666.

It is a super-2 number, since 2×9315772115328² (a number of 27 digits) contains 22 as substring.

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 59 ways as a sum of consecutive naturals, for example, 1941187873 + ... + 1941192671.

It is an arithmetic number, because the mean of its divisors is an integer number (67218851700).

Almost surely, 2^{9315772115328} is an apocalyptic number.

9315772115328 is a gapful number since it is divisible by the number (98) 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 9315772115328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16132524408000).

9315772115328 is an abundant number, since it is smaller than the sum of its proper divisors (22949276700672).

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

9315772115328 is a wasteful number, since it uses less digits than its factorization.

9315772115328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8660 (or 8632 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The spelling of 9315772115328 in words is "nine trillion, three hundred fifteen billion, seven hundred seventy-two million, one hundred fifteen thousand, three hundred twenty-eight".