11112344400 has 60 divisors (see below), whose sum is σ = 35596547072. Its totient is φ = 2963291520.

The previous prime is 11112344387. The next prime is 11112344447. The reversal of 11112344400 is 444321111.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×11112344400² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4628944 + ... + 4631343.

Almost surely, 2^11112344400 is an apocalyptic number.

11112344400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112344400 is an abundant number, since it is smaller than the sum of its proper divisors (24484202672).

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

11112344400 is a wasteful number, since it uses less digits than its factorization.

11112344400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9260308 (or 9260297 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11112344400 its reverse (444321111), we get a palindrome (11556665511).

The spelling of 11112344400 in words is "eleven billion, one hundred twelve million, three hundred forty-four thousand, four hundred".