11166587 has 2 divisors, whose sum is σ = 11166588. Its totient is φ = 11166586.

The previous prime is 11166583. The next prime is 11166611. The reversal of 11166587 is 78566111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11166587 - 2² = 11166583 is a prime.

It is not a weakly prime, because it can be changed into another prime (11166581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5583293 + 5583294.

It is an arithmetic number, because the mean of its divisors is an integer number (5583294).

Almost surely, 2^11166587 is an apocalyptic number.

11166587 is a deficient number, since it is larger than the sum of its proper divisors (1).

11166587 is an equidigital number, since it uses as much as digits as its factorization.

11166587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 35.

The square root of 11166587 is about 3341.6443557027. The cubic root of 11166587 is about 223.5150742135.

The spelling of 11166587 in words is "eleven million, one hundred sixty-six thousand, five hundred eighty-seven".