111630057 has 16 divisors (see below), whose sum is σ = 185567232. Its totient is φ = 57989520.

The previous prime is 111630037. The next prime is 111630083. The reversal of 111630057 is 750036111.

It is not a de Polignac number, because 111630057 - 2⁸ = 111629801 is a prime.

It is a super-2 number, since 2×111630057² = 24922539251646498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111630037) 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, 241393 + ... + 241854.

It is an arithmetic number, because the mean of its divisors is an integer number (11597952).

Almost surely, 2^111630057 is an apocalyptic number.

It is an amenable number.

111630057 is a deficient number, since it is larger than the sum of its proper divisors (73937175).

111630057 is a wasteful number, since it uses less digits than its factorization.

111630057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483268.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 111630057 is about 10565.5126236260. The cubic root of 111630057 is about 481.4971440541.

Adding to 111630057 its reverse (750036111), we get a palindrome (861666168).

The spelling of 111630057 in words is "one hundred eleven million, six hundred thirty thousand, fifty-seven".