11411987 has 2 divisors, whose sum is σ = 11411988. Its totient is φ = 11411986.

The previous prime is 11411969. The next prime is 11412001. The reversal of 11411987 is 78911411.

11411987 is digitally balanced in base 3, 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 (78911411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11411987 - 2⁶ = 11411923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11411927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5705993 + 5705994.

It is an arithmetic number, because the mean of its divisors is an integer number (5705994).

Almost surely, 2^11411987 is an apocalyptic number.

11411987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11411987 is an equidigital number, since it uses as much as digits as its factorization.

11411987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 32.

The square root of 11411987 is about 3378.1632583402. The cubic root of 11411987 is about 225.1405673072.

The spelling of 11411987 in words is "eleven million, four hundred eleven thousand, nine hundred eighty-seven".