111551103400 has 96 divisors (see below), whose sum is σ = 288272844000. Its totient is φ = 39798636800.

The previous prime is 111551103337. The next prime is 111551103427. The reversal of 111551103400 is 4301155111.

111551103400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 361750 + ... + 594949.

It is an arithmetic number, because the mean of its divisors is an integer number (3002842125).

Almost surely, 2^111551103400 is an apocalyptic number.

111551103400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111551103400 is an abundant number, since it is smaller than the sum of its proper divisors (176721740600).

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

111551103400 is a wasteful number, since it uses less digits than its factorization.

111551103400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956779 (or 956770 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 111551103400 its reverse (4301155111), we get a palindrome (115852258511).

The spelling of 111551103400 in words is "one hundred eleven billion, five hundred fifty-one million, one hundred three thousand, four hundred".