11843797320 has 320 divisors, whose sum is σ = 42587305200. Its totient is φ = 2941747200.

The previous prime is 11843797309. The next prime is 11843797363. The reversal of 11843797320 is 2379734811.

It can be written as a sum of positive squares in 8 ways, for example, as 8663514084 + 3180283236 = 93078^2 + 56394^2 .

It is a super-3 number, since 3×11843797320³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5562016 + ... + 5564144.

Almost surely, 2^11843797320 is an apocalyptic number.

11843797320 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 11843797320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21293652600).

11843797320 is an abundant number, since it is smaller than the sum of its proper divisors (30743507880).

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

11843797320 is a wasteful number, since it uses less digits than its factorization.

11843797320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270 (or 2257 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 11843797320 in words is "eleven billion, eight hundred forty-three million, seven hundred ninety-seven thousand, three hundred twenty".