9120781353200 has 240 divisors, whose sum is σ = 24375506867712. Its totient is φ = 3251848320000.

The previous prime is 9120781353197. The next prime is 9120781353227. The reversal of 9120781353200 is 23531870219.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56463749 + ... + 56625051.

Almost surely, 2^{9120781353200} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9120781353200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12187753433856).

9120781353200 is an abundant number, since it is smaller than the sum of its proper divisors (15254725514512).

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

9120781353200 is a wasteful number, since it uses less digits than its factorization.

9120781353200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161584 (or 161573 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 9120781353200 in words is "nine trillion, one hundred twenty billion, seven hundred eighty-one million, three hundred fifty-three thousand, two hundred".