11324011987 has 2 divisors, whose sum is σ = 11324011988. Its totient is φ = 11324011986.

The previous prime is 11324011973. The next prime is 11324011991. The reversal of 11324011987 is 78911042311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11324011987 is a prime.

It is not a weakly prime, because it can be changed into another prime (11324011487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5662005993 + 5662005994.

It is an arithmetic number, because the mean of its divisors is an integer number (5662005994).

Almost surely, 2^11324011987 is an apocalyptic number.

11324011987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11324011987 is an equidigital number, since it uses as much as digits as its factorization.

11324011987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 11324011987 in words is "eleven billion, three hundred twenty-four million, eleven thousand, nine hundred eighty-seven".