11109994939 has 2 divisors, whose sum is σ = 11109994940. Its totient is φ = 11109994938.

The previous prime is 11109994933. The next prime is 11109994949. The reversal of 11109994939 is 93949990111.

11109994939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11109994939 - 2²³ = 11101606331 is a prime.

It is a super-2 number, since 2×11109994939² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11109994939.

It is not a weakly prime, because it can be changed into another prime (11109994933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5554997469 + 5554997470.

It is an arithmetic number, because the mean of its divisors is an integer number (5554997470).

Almost surely, 2^11109994939 is an apocalyptic number.

11109994939 is a deficient number, since it is larger than the sum of its proper divisors (1).

11109994939 is an equidigital number, since it uses as much as digits as its factorization.

11109994939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 708588, while the sum is 55.

The spelling of 11109994939 in words is "eleven billion, one hundred nine million, nine hundred ninety-four thousand, nine hundred thirty-nine".