11231040131989 has 2 divisors, whose sum is σ = 11231040131990. Its totient is φ = 11231040131988.

The previous prime is 11231040131921. The next prime is 11231040132089. The reversal of 11231040131989 is 98913104013211.

11231040131989 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., 8423589084964 + 2807451047025 = 2902342^2 + 1675545^2 .

It is a cyclic number.

It is not a de Polignac number, because 11231040131989 - 2²⁹ = 11230503261077 is a prime.

It is a super-2 number, since 2×11231040131989² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11231040131089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615520065994 + 5615520065995.

It is an arithmetic number, because the mean of its divisors is an integer number (5615520065995).

Almost surely, 2^{11231040131989} is an apocalyptic number.

It is an amenable number.

11231040131989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231040131989 is an equidigital number, since it uses as much as digits as its factorization.

11231040131989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 43.

The spelling of 11231040131989 in words is "eleven trillion, two hundred thirty-one billion, forty million, one hundred thirty-one thousand, nine hundred eighty-nine".