111100091153 has 2 divisors, whose sum is σ = 111100091154. Its totient is φ = 111100091152.

The previous prime is 111100091101. The next prime is 111100091171. The reversal of 111100091153 is 351190001111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81511963009 + 29588128144 = 285503^2 + 172012^2 .

It is a cyclic number.

It is not a de Polignac number, because 111100091153 - 2²⁶ = 111032982289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (111100094153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550045576 + 55550045577.

It is an arithmetic number, because the mean of its divisors is an integer number (55550045577).

Almost surely, 2^111100091153 is an apocalyptic number.

It is an amenable number.

111100091153 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100091153 is an equidigital number, since it uses as much as digits as its factorization.

111100091153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 23.

Adding to 111100091153 its reverse (351190001111), we get a palindrome (462290092264).

The spelling of 111100091153 in words is "one hundred eleven billion, one hundred million, ninety-one thousand, one hundred fifty-three".