11031020159 has 2 divisors, whose sum is σ = 11031020160. Its totient is φ = 11031020158.

The previous prime is 11031020107. The next prime is 11031020173. The reversal of 11031020159 is 95102013011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11031020159 - 2³² = 6736052863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11031020059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515510079 + 5515510080.

It is an arithmetic number, because the mean of its divisors is an integer number (5515510080).

Almost surely, 2^11031020159 is an apocalyptic number.

11031020159 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031020159 is an equidigital number, since it uses as much as digits as its factorization.

11031020159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 23.

The spelling of 11031020159 in words is "eleven billion, thirty-one million, twenty thousand, one hundred fifty-nine".