11132021987 has 2 divisors, whose sum is σ = 11132021988. Its totient is φ = 11132021986.

The previous prime is 11132021951. The next prime is 11132022007. The reversal of 11132021987 is 78912023111.

11132021987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (78912023111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11132021987 - 2³² = 6837054691 is a prime.

It is not a weakly prime, because it can be changed into another prime (11132021387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566010993 + 5566010994.

It is an arithmetic number, because the mean of its divisors is an integer number (5566010994).

Almost surely, 2^11132021987 is an apocalyptic number.

11132021987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11132021987 is an equidigital number, since it uses as much as digits as its factorization.

11132021987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 35.

The spelling of 11132021987 in words is "eleven billion, one hundred thirty-two million, twenty-one thousand, nine hundred eighty-seven".