11988027287 has 2 divisors, whose sum is σ = 11988027288. Its totient is φ = 11988027286.

The previous prime is 11988027217. The next prime is 11988027301. The reversal of 11988027287 is 78272088911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11988027287 - 2²⁰ = 11986978711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11988027217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5994013643 + 5994013644.

It is an arithmetic number, because the mean of its divisors is an integer number (5994013644).

Almost surely, 2^11988027287 is an apocalyptic number.

11988027287 is a deficient number, since it is larger than the sum of its proper divisors (1).

11988027287 is an equidigital number, since it uses as much as digits as its factorization.

11988027287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 903168, while the sum is 53.

The spelling of 11988027287 in words is "eleven billion, nine hundred eighty-eight million, twenty-seven thousand, two hundred eighty-seven".