11031121139 has 2 divisors, whose sum is σ = 11031121140. Its totient is φ = 11031121138.

The previous prime is 11031121117. The next prime is 11031121147. The reversal of 11031121139 is 93112113011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11031121139 - 2¹⁶ = 11031055603 is a prime.

It is not a weakly prime, because it can be changed into another prime (11031121159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515560569 + 5515560570.

It is an arithmetic number, because the mean of its divisors is an integer number (5515560570).

Almost surely, 2^11031121139 is an apocalyptic number.

11031121139 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031121139 is an equidigital number, since it uses as much as digits as its factorization.

11031121139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 11031121139 in words is "eleven billion, thirty-one million, one hundred twenty-one thousand, one hundred thirty-nine".