111381148 has 6 divisors (see below), whose sum is σ = 194917016. Its totient is φ = 55690572.

The previous prime is 111381121. The next prime is 111381167. The reversal of 111381148 is 841183111.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13922640 + ... + 13922647.

Almost surely, 2^111381148 is an apocalyptic number.

It is an amenable number.

111381148 is a deficient number, since it is larger than the sum of its proper divisors (83535868).

111381148 is a wasteful number, since it uses less digits than its factorization.

111381148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27845291 (or 27845289 counting only the distinct ones).

The product of its digits is 768, while the sum is 28.

The square root of 111381148 is about 10553.7267351396. The cubic root of 111381148 is about 481.1390022752.

The spelling of 111381148 in words is "one hundred eleven million, three hundred eighty-one thousand, one hundred forty-eight".