11013131989 has 2 divisors, whose sum is σ = 11013131990. Its totient is φ = 11013131988.

The previous prime is 11013131977. The next prime is 11013132043. The reversal of 11013131989 is 98913131011.

11013131989 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 can be written as a sum of positive squares in only one way, i.e., 6873239025 + 4139892964 = 82905^2 + 64342^2 .

It is a cyclic number.

It is not a de Polignac number, because 11013131989 - 2¹⁵ = 11013099221 is a prime.

It is a super-2 number, since 2×11013131989² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11013131939) 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, 5506565994 + 5506565995.

It is an arithmetic number, because the mean of its divisors is an integer number (5506565995).

Almost surely, 2^11013131989 is an apocalyptic number.

It is an amenable number.

11013131989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11013131989 is an equidigital number, since it uses as much as digits as its factorization.

11013131989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 37.

The spelling of 11013131989 in words is "eleven billion, thirteen million, one hundred thirty-one thousand, nine hundred eighty-nine".