111132057 has 16 divisors (see below), whose sum is σ = 151061760. Its totient is φ = 72652800.

The previous prime is 111132041. The next prime is 111132059. The reversal of 111132057 is 750231111.

It is a happy number.

It is not a de Polignac number, because 111132057 - 2⁴ = 111132041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111132059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78169 + ... + 79577.

It is an arithmetic number, because the mean of its divisors is an integer number (9441360).

Almost surely, 2^111132057 is an apocalyptic number.

It is an amenable number.

111132057 is a deficient number, since it is larger than the sum of its proper divisors (39929703).

111132057 is a wasteful number, since it uses less digits than its factorization.

111132057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 111132057 is about 10541.9190378223. The cubic root of 111132057 is about 480.7800640703.

Adding to 111132057 its reverse (750231111), we get a palindrome (861363168).

The spelling of 111132057 in words is "one hundred eleven million, one hundred thirty-two thousand, fifty-seven".