111381795 has 48 divisors (see below), whose sum is σ = 221495040. Its totient is φ = 50720832.

The previous prime is 111381761. The next prime is 111381797. The reversal of 111381795 is 597183111.

It is not a de Polignac number, because 111381795 - 2⁸ = 111381539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111381797) 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 47 ways as a sum of consecutive naturals, for example, 108796 + ... + 109814.

It is an arithmetic number, because the mean of its divisors is an integer number (4614480).

Almost surely, 2^111381795 is an apocalyptic number.

111381795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

111381795 is a deficient number, since it is larger than the sum of its proper divisors (110113245).

111381795 is a wasteful number, since it uses less digits than its factorization.

111381795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384 (or 1381 counting only the distinct ones).

The product of its digits is 7560, while the sum is 36.

The square root of 111381795 is about 10553.7573877743. The cubic root of 111381795 is about 481.1399339001.

The spelling of 111381795 in words is "one hundred eleven million, three hundred eighty-one thousand, seven hundred ninety-five".