11950287287 has 2 divisors, whose sum is σ = 11950287288. Its totient is φ = 11950287286.

The previous prime is 11950287281. The next prime is 11950287313. The reversal of 11950287287 is 78278205911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11950287287 - 2¹⁰ = 11950286263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11950287281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5975143643 + 5975143644.

It is an arithmetic number, because the mean of its divisors is an integer number (5975143644).

Almost surely, 2^11950287287 is an apocalyptic number.

11950287287 is a deficient number, since it is larger than the sum of its proper divisors (1).

11950287287 is an equidigital number, since it uses as much as digits as its factorization.

11950287287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 50.

The spelling of 11950287287 in words is "eleven billion, nine hundred fifty million, two hundred eighty-seven thousand, two hundred eighty-seven".