111114168157 has 2 divisors, whose sum is σ = 111114168158. Its totient is φ = 111114168156.

The previous prime is 111114168149. The next prime is 111114168173. The reversal of 111114168157 is 751861411111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58145605956 + 52968562201 = 241134^2 + 230149^2 .

It is a cyclic number.

It is not a de Polignac number, because 111114168157 - 2³ = 111114168149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111114169157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55557084078 + 55557084079.

It is an arithmetic number, because the mean of its divisors is an integer number (55557084079).

Almost surely, 2^111114168157 is an apocalyptic number.

It is an amenable number.

111114168157 is a deficient number, since it is larger than the sum of its proper divisors (1).

111114168157 is an equidigital number, since it uses as much as digits as its factorization.

111114168157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 37.

Adding to 111114168157 its reverse (751861411111), we get a palindrome (862975579268).

The spelling of 111114168157 in words is "one hundred eleven billion, one hundred fourteen million, one hundred sixty-eight thousand, one hundred fifty-seven".