111106157 has 2 divisors, whose sum is σ = 111106158. Its totient is φ = 111106156.

The previous prime is 111106147. The next prime is 111106159. The reversal of 111106157 is 751601111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76930441 + 34175716 = 8771^2 + 5846^2 .

It is a cyclic number.

It is not a de Polignac number, because 111106157 - 2⁴ = 111106141 is a prime.

Together with 111106159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111106159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55553078 + 55553079.

It is an arithmetic number, because the mean of its divisors is an integer number (55553079).

Almost surely, 2^111106157 is an apocalyptic number.

It is an amenable number.

111106157 is a deficient number, since it is larger than the sum of its proper divisors (1).

111106157 is an equidigital number, since it uses as much as digits as its factorization.

111106157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 23.

The square root of 111106157 is about 10540.6905371517. The cubic root of 111106157 is about 480.7427115983.

Adding to 111106157 its reverse (751601111), we get a palindrome (862707268).

The spelling of 111106157 in words is "one hundred eleven million, one hundred six thousand, one hundred fifty-seven".