111160257 has 12 divisors (see below), whose sum is σ = 160492464. Its totient is φ = 68406000.

The previous prime is 111160243. The next prime is 111160261. The reversal of 111160257 is 752061111.

It is not a de Polignac number, because 111160257 - 2¹⁸ = 110898113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111160207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109119 + ... + 110132.

It is an arithmetic number, because the mean of its divisors is an integer number (13374372).

Almost surely, 2^111160257 is an apocalyptic number.

It is an amenable number.

111160257 is a deficient number, since it is larger than the sum of its proper divisors (49332207).

111160257 is a wasteful number, since it uses less digits than its factorization.

111160257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219280 (or 219267 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 24.

The square root of 111160257 is about 10543.2564703701. The cubic root of 111160257 is about 480.8207269584.

The spelling of 111160257 in words is "one hundred eleven million, one hundred sixty thousand, two hundred fifty-seven".