11733888889 has 2 divisors, whose sum is σ = 11733888890. Its totient is φ = 11733888888.

The previous prime is 11733888877. The next prime is 11733888941. The reversal of 11733888889 is 98888833711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6417291664 + 5316597225 = 80108^2 + 72915^2 .

It is a cyclic number.

It is not a de Polignac number, because 11733888889 - 2⁵ = 11733888857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11733888889.

It is not a weakly prime, because it can be changed into another prime (11733888809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5866944444 + 5866944445.

It is an arithmetic number, because the mean of its divisors is an integer number (5866944445).

Almost surely, 2^11733888889 is an apocalyptic number.

It is an amenable number.

11733888889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11733888889 is an equidigital number, since it uses as much as digits as its factorization.

11733888889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18579456, while the sum is 64.

The spelling of 11733888889 in words is "eleven billion, seven hundred thirty-three million, eight hundred eighty-eight thousand, eight hundred eighty-nine".