11233311109 has 2 divisors, whose sum is σ = 11233311110. Its totient is φ = 11233311108.

The previous prime is 11233311049. The next prime is 11233311137. The reversal of 11233311109 is 90111333211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9071991009 + 2161320100 = 95247^2 + 46490^2 .

It is a cyclic number.

It is not a de Polignac number, because 11233311109 - 2²⁹ = 10696440197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11233311169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5616655554 + 5616655555.

It is an arithmetic number, because the mean of its divisors is an integer number (5616655555).

Almost surely, 2^11233311109 is an apocalyptic number.

It is an amenable number.

11233311109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11233311109 is an equidigital number, since it uses as much as digits as its factorization.

11233311109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 25.

The spelling of 11233311109 in words is "eleven billion, two hundred thirty-three million, three hundred eleven thousand, one hundred nine".