11663674387 has 2 divisors, whose sum is σ = 11663674388. Its totient is φ = 11663674386.

The previous prime is 11663674361. The next prime is 11663674409. The reversal of 11663674387 is 78347636611.

11663674387 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 a cyclic number.

It is not a de Polignac number, because 11663674387 - 2⁷ = 11663674259 is a prime.

It is a super-3 number, since 3×11663674387³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11663674487) 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, 5831837193 + 5831837194.

It is an arithmetic number, because the mean of its divisors is an integer number (5831837194).

Almost surely, 2^11663674387 is an apocalyptic number.

11663674387 is a deficient number, since it is larger than the sum of its proper divisors (1).

11663674387 is an equidigital number, since it uses as much as digits as its factorization.

11663674387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 52.

The spelling of 11663674387 in words is "eleven billion, six hundred sixty-three million, six hundred seventy-four thousand, three hundred eighty-seven".