11243112320 has 64 divisors (see below), whose sum is σ = 29321544240. Its totient is φ = 4088401920.

The previous prime is 11243112319. The next prime is 11243112371. The reversal of 11243112320 is 2321134211.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×11243112320³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11243112292 and 11243112301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791477 + ... + 805556.

Almost surely, 2^11243112320 is an apocalyptic number.

11243112320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11243112320 is an abundant number, since it is smaller than the sum of its proper divisors (18078431920).

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

11243112320 is a wasteful number, since it uses less digits than its factorization.

11243112320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597063 (or 1597051 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11243112320 its reverse (2321134211), we get a palindrome (13564246531).

The spelling of 11243112320 in words is "eleven billion, two hundred forty-three million, one hundred twelve thousand, three hundred twenty".