11111113230187 has 2 divisors, whose sum is σ = 11111113230188. Its totient is φ = 11111113230186.

The previous prime is 11111113230089. The next prime is 11111113230227. The reversal of 11111113230187 is 78103231111111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11111113230187 - 2²³ = 11111104841579 is a prime.

It is not a weakly prime, because it can be changed into another prime (11111413230187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555556615093 + 5555556615094.

It is an arithmetic number, because the mean of its divisors is an integer number (5555556615094).

Almost surely, 2^{11111113230187} is an apocalyptic number.

11111113230187 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111113230187 is an equidigital number, since it uses as much as digits as its factorization.

11111113230187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 31.

Adding to 11111113230187 its reverse (78103231111111), we get a palindrome (89214344341298).

The spelling of 11111113230187 in words is "eleven trillion, one hundred eleven billion, one hundred thirteen million, two hundred thirty thousand, one hundred eighty-seven".