11111029939 has 2 divisors, whose sum is σ = 11111029940. Its totient is φ = 11111029938.

The previous prime is 11111029933. The next prime is 11111030009. The reversal of 11111029939 is 93992011111.

11111029939 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 an emirp because it is prime and its reverse (93992011111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11111029939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11111029898 and 11111029907.

It is not a weakly prime, because it can be changed into another prime (11111029933) 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, 5555514969 + 5555514970.

It is an arithmetic number, because the mean of its divisors is an integer number (5555514970).

Almost surely, 2^11111029939 is an apocalyptic number.

11111029939 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111029939 is an equidigital number, since it uses as much as digits as its factorization.

11111029939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 37.

The spelling of 11111029939 in words is "eleven billion, one hundred eleven million, twenty-nine thousand, nine hundred thirty-nine".