11111202139 has 2 divisors, whose sum is σ = 11111202140. Its totient is φ = 11111202138.

The previous prime is 11111202131. The next prime is 11111202143. The reversal of 11111202139 is 93120211111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11111202139 - 2³ = 11111202131 is a prime.

It is not a weakly prime, because it can be changed into another prime (11111202131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555601069 + 5555601070.

It is an arithmetic number, because the mean of its divisors is an integer number (5555601070).

Almost surely, 2^11111202139 is an apocalyptic number.

11111202139 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111202139 is an equidigital number, since it uses as much as digits as its factorization.

11111202139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 11111202139 in words is "eleven billion, one hundred eleven million, two hundred two thousand, one hundred thirty-nine".