11111009999939 has 2 divisors, whose sum is σ = 11111009999940. Its totient is φ = 11111009999938.

The previous prime is 11111009999827. The next prime is 11111010000007. The reversal of 11111009999939 is 93999990011111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11111009999939 is a prime.

It is not a weakly prime, because it can be changed into another prime (11111009990939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555504999969 + 5555504999970.

It is an arithmetic number, because the mean of its divisors is an integer number (5555504999970).

Almost surely, 2^{11111009999939} is an apocalyptic number.

11111009999939 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111009999939 is an equidigital number, since it uses as much as digits as its factorization.

11111009999939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1594323, while the sum is 62.

The spelling of 11111009999939 in words is "eleven trillion, one hundred eleven billion, nine million, nine hundred ninety-nine thousand, nine hundred thirty-nine".