11894141089 has 2 divisors, whose sum is σ = 11894141090. Its totient is φ = 11894141088.

The previous prime is 11894141081. The next prime is 11894141099. The reversal of 11894141089 is 98014149811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9432294400 + 2461846689 = 97120^2 + 49617^2 .

It is an emirp because it is prime and its reverse (98014149811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11894141089 - 2³ = 11894141081 is a prime.

It is not a weakly prime, because it can be changed into another prime (11894141081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5947070544 + 5947070545.

It is an arithmetic number, because the mean of its divisors is an integer number (5947070545).

Almost surely, 2^11894141089 is an apocalyptic number.

It is an amenable number.

11894141089 is a deficient number, since it is larger than the sum of its proper divisors (1).

11894141089 is an equidigital number, since it uses as much as digits as its factorization.

11894141089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 46.

The spelling of 11894141089 in words is "eleven billion, eight hundred ninety-four million, one hundred forty-one thousand, eighty-nine".