11100312089 has 2 divisors, whose sum is σ = 11100312090. Its totient is φ = 11100312088.

The previous prime is 11100312053. The next prime is 11100312127. The reversal of 11100312089 is 98021300111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6755524864 + 4344787225 = 82192^2 + 65915^2 .

It is a cyclic number.

It is not a de Polignac number, because 11100312089 - 2¹² = 11100307993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11100312889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550156044 + 5550156045.

It is an arithmetic number, because the mean of its divisors is an integer number (5550156045).

Almost surely, 2^11100312089 is an apocalyptic number.

It is an amenable number.

11100312089 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100312089 is an equidigital number, since it uses as much as digits as its factorization.

11100312089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 11100312089 in words is "eleven billion, one hundred million, three hundred twelve thousand, eighty-nine".