11492681089 has 2 divisors, whose sum is σ = 11492681090. Its totient is φ = 11492681088.

The previous prime is 11492681087. The next prime is 11492681093. The reversal of 11492681089 is 98018629411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6394721089 + 5097960000 = 79967^2 + 71400^2 .

It is a cyclic number.

It is not a de Polignac number, because 11492681089 - 2¹ = 11492681087 is a prime.

It is a super-2 number, since 2×11492681089² (a number of 21 digits) contains 22 as substring.

Together with 11492681087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11492681087) 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, 5746340544 + 5746340545.

It is an arithmetic number, because the mean of its divisors is an integer number (5746340545).

Almost surely, 2^11492681089 is an apocalyptic number.

It is an amenable number.

11492681089 is a deficient number, since it is larger than the sum of its proper divisors (1).

11492681089 is an equidigital number, since it uses as much as digits as its factorization.

11492681089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 49.

The spelling of 11492681089 in words is "eleven billion, four hundred ninety-two million, six hundred eighty-one thousand, eighty-nine".