111099953112157 has 2 divisors, whose sum is σ = 111099953112158. Its totient is φ = 111099953112156.

The previous prime is 111099953112151. The next prime is 111099953112179. The reversal of 111099953112157 is 751211359990111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79685508702276 + 31414444409881 = 8926674^2 + 5604859^2 .

It is a cyclic number.

It is not a de Polignac number, because 111099953112157 - 2¹¹ = 111099953110109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111099953112098 and 111099953112107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111099953112151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55549976556078 + 55549976556079.

It is an arithmetic number, because the mean of its divisors is an integer number (55549976556079).

Almost surely, 2^{111099953112157} is an apocalyptic number.

It is an amenable number.

111099953112157 is a deficient number, since it is larger than the sum of its proper divisors (1).

111099953112157 is an equidigital number, since it uses as much as digits as its factorization.

111099953112157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 765450, while the sum is 55.

The spelling of 111099953112157 in words is "one hundred eleven trillion, ninety-nine billion, nine hundred fifty-three million, one hundred twelve thousand, one hundred fifty-seven".