11883864991 has 2 divisors, whose sum is σ = 11883864992. Its totient is φ = 11883864990.

The previous prime is 11883864947. The next prime is 11883865031. The reversal of 11883864991 is 19946838811.

It is a strong prime.

It is an emirp because it is prime and its reverse (19946838811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11883864991 - 2²⁷ = 11749647263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11883864191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5941932495 + 5941932496.

It is an arithmetic number, because the mean of its divisors is an integer number (5941932496).

Almost surely, 2^11883864991 is an apocalyptic number.

11883864991 is a deficient number, since it is larger than the sum of its proper divisors (1).

11883864991 is an equidigital number, since it uses as much as digits as its factorization.

11883864991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 58.

The spelling of 11883864991 in words is "eleven billion, eight hundred eighty-three million, eight hundred sixty-four thousand, nine hundred ninety-one".