11320111309987 has 2 divisors, whose sum is σ = 11320111309988. Its totient is φ = 11320111309986.

The previous prime is 11320111309981. The next prime is 11320111310017. The reversal of 11320111309987 is 78990311102311.

It is a happy number.

11320111309987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11320111309987 - 2¹⁵ = 11320111277219 is a prime.

It is not a weakly prime, because it can be changed into another prime (11320111309981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660055654993 + 5660055654994.

It is an arithmetic number, because the mean of its divisors is an integer number (5660055654994).

Almost surely, 2^{11320111309987} is an apocalyptic number.

11320111309987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11320111309987 is an equidigital number, since it uses as much as digits as its factorization.

11320111309987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 46.

The spelling of 11320111309987 in words is "eleven trillion, three hundred twenty billion, one hundred eleven million, three hundred nine thousand, nine hundred eighty-seven".