111100157 has 4 divisors (see below), whose sum is σ = 126971616. Its totient is φ = 95228700.

The previous prime is 111100147. The next prime is 111100169. The reversal of 111100157 is 751001111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 111100157 - 2⁴ = 111100141 is a prime.

It is a super-3 number, since 3×111100157³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7935719 + ... + 7935732.

It is an arithmetic number, because the mean of its divisors is an integer number (31742904).

Almost surely, 2^111100157 is an apocalyptic number.

It is an amenable number.

111100157 is a deficient number, since it is larger than the sum of its proper divisors (15871459).

111100157 is an equidigital number, since it uses as much as digits as its factorization.

111100157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15871458.

The product of its (nonzero) digits is 35, while the sum is 17.

The square root of 111100157 is about 10540.4059219747. The cubic root of 111100157 is about 480.7340576879.

Adding to 111100157 its reverse (751001111), we get a palindrome (862101268).

The spelling of 111100157 in words is "one hundred eleven million, one hundred thousand, one hundred fifty-seven".