11157108187 has 2 divisors, whose sum is σ = 11157108188. Its totient is φ = 11157108186.

The previous prime is 11157108163. The next prime is 11157108239. The reversal of 11157108187 is 78180175111.

It is a weak prime.

It is an emirp because it is prime and its reverse (78180175111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11157108187 - 2³¹ = 9009624539 is a prime.

It is not a weakly prime, because it can be changed into another prime (11157108107) 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, 5578554093 + 5578554094.

It is an arithmetic number, because the mean of its divisors is an integer number (5578554094).

Almost surely, 2^11157108187 is an apocalyptic number.

11157108187 is a deficient number, since it is larger than the sum of its proper divisors (1).

11157108187 is an equidigital number, since it uses as much as digits as its factorization.

11157108187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 40.

The spelling of 11157108187 in words is "eleven billion, one hundred fifty-seven million, one hundred eight thousand, one hundred eighty-seven".