11397244320 has 960 divisors, whose sum is σ = 51425611776. Its totient is φ = 2317870080.

The previous prime is 11397244319. The next prime is 11397244357. The reversal of 11397244320 is 2344279311.

It is a happy number.

11397244320 is a `hidden beast` number, since 1 + 1 + 3 + 97 + 244 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 242494537 + ... + 242494583.

Almost surely, 2^11397244320 is an apocalyptic number.

11397244320 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 11397244320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25712805888).

11397244320 is an abundant number, since it is smaller than the sum of its proper divisors (40028367456).

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

11397244320 is an frugal number, since it uses more digits than its factorization.

11397244320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 11397244320 in words is "eleven billion, three hundred ninety-seven million, two hundred forty-four thousand, three hundred twenty".