111381396 has 48 divisors (see below), whose sum is σ = 305053056. Its totient is φ = 30962304.

The previous prime is 111381377. The next prime is 111381397. The reversal of 111381396 is 693183111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111381397) 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 15 ways as a sum of consecutive naturals, for example, 14811 + ... + 21026.

It is an arithmetic number, because the mean of its divisors is an integer number (6355272).

Almost surely, 2^111381396 is an apocalyptic number.

It is an amenable number.

111381396 is an abundant number, since it is smaller than the sum of its proper divisors (193671660).

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

111381396 is a wasteful number, since it uses less digits than its factorization.

111381396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35888 (or 35886 counting only the distinct ones).

The product of its digits is 3888, while the sum is 33.

The square root of 111381396 is about 10553.7384845371. The cubic root of 111381396 is about 481.1393593745.

The spelling of 111381396 in words is "one hundred eleven million, three hundred eighty-one thousand, three hundred ninety-six".