11109939167 has 2 divisors, whose sum is σ = 11109939168. Its totient is φ = 11109939166.

The previous prime is 11109939157. The next prime is 11109939193. The reversal of 11109939167 is 76193990111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11109939167 - 2¹² = 11109935071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11109939107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5554969583 + 5554969584.

It is an arithmetic number, because the mean of its divisors is an integer number (5554969584).

Almost surely, 2^11109939167 is an apocalyptic number.

11109939167 is a deficient number, since it is larger than the sum of its proper divisors (1).

11109939167 is an equidigital number, since it uses as much as digits as its factorization.

11109939167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91854, while the sum is 47.

The spelling of 11109939167 in words is "eleven billion, one hundred nine million, nine hundred thirty-nine thousand, one hundred sixty-seven".