11858690287 has 2 divisors, whose sum is σ = 11858690288. Its totient is φ = 11858690286.

The previous prime is 11858690257. The next prime is 11858690293. The reversal of 11858690287 is 78209685811.

11858690287 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 (78209685811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11858690287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11858690257) 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, 5929345143 + 5929345144.

It is an arithmetic number, because the mean of its divisors is an integer number (5929345144).

Almost surely, 2^11858690287 is an apocalyptic number.

11858690287 is a deficient number, since it is larger than the sum of its proper divisors (1).

11858690287 is an equidigital number, since it uses as much as digits as its factorization.

11858690287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 55.

The spelling of 11858690287 in words is "eleven billion, eight hundred fifty-eight million, six hundred ninety thousand, two hundred eighty-seven".