111381300 has 54 divisors (see below), whose sum is σ = 349121318. Its totient is φ = 29701440.

The previous prime is 111381293. The next prime is 111381301. The reversal of 111381300 is 3183111.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 14791716 + 96589584 = 3846^2 + 9828^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111381301) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 60979 + ... + 62778.

Almost surely, 2^111381300 is an apocalyptic number.

111381300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111381300 is an abundant number, since it is smaller than the sum of its proper divisors (237740018).

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

111381300 is a wasteful number, since it uses less digits than its factorization.

111381300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123777 (or 123767 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 111381300 is about 10553.7339363848. The cubic root of 111381300 is about 481.1392211426.

The spelling of 111381300 in words is "one hundred eleven million, three hundred eighty-one thousand, three hundred".