111113775 has 60 divisors (see below), whose sum is σ = 211526392. Its totient is φ = 57620160.

The previous prime is 111113749. The next prime is 111113789. The reversal of 111113775 is 577311111.

It is not a de Polignac number, because 111113775 - 2⁶ = 111113711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 74184 + ... + 75666.

Almost surely, 2^111113775 is an apocalyptic number.

111113775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

111113775 is a deficient number, since it is larger than the sum of its proper divisors (100412617).

111113775 is a wasteful number, since it uses less digits than its factorization.

111113775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542 (or 1528 counting only the distinct ones).

The product of its digits is 735, while the sum is 27.

The square root of 111113775 is about 10541.0518924821. The cubic root of 111113775 is about 480.7536987310.

Adding to 111113775 its reverse (577311111), we get a palindrome (688424886).

The spelling of 111113775 in words is "one hundred eleven million, one hundred thirteen thousand, seven hundred seventy-five".