111213604800 has 672 divisors, whose sum is σ = 416351923200. Its totient is φ = 28869120000.

The previous prime is 111213604727. The next prime is 111213604861. The reversal of 111213604800 is 8406312111.

It is a happy number.

111213604800 is a `hidden beast` number, since 1 + 1 + 121 + 3 + 60 + 480 + 0 = 666.

It is a super-2 number, since 2×111213604800² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 309787021 + ... + 309787379.

Almost surely, 2^111213604800 is an apocalyptic number.

111213604800 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 111213604800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208175961600).

111213604800 is an abundant number, since it is smaller than the sum of its proper divisors (305138318400).

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

111213604800 is a wasteful number, since it uses less digits than its factorization.

111213604800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 111213604800 its reverse (8406312111), we get a palindrome (119619916911).

The spelling of 111213604800 in words is "one hundred eleven billion, two hundred thirteen million, six hundred four thousand, eight hundred".