11241240287 has 2 divisors, whose sum is σ = 11241240288. Its totient is φ = 11241240286.

The previous prime is 11241240223. The next prime is 11241240331. The reversal of 11241240287 is 78204214211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11241240287 - 2⁶ = 11241240223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11241246287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5620620143 + 5620620144.

It is an arithmetic number, because the mean of its divisors is an integer number (5620620144).

Almost surely, 2^11241240287 is an apocalyptic number.

11241240287 is a deficient number, since it is larger than the sum of its proper divisors (1).

11241240287 is an equidigital number, since it uses as much as digits as its factorization.

11241240287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 32.

Adding to 11241240287 its reverse (78204214211), we get a palindrome (89445454498).

The spelling of 11241240287 in words is "eleven billion, two hundred forty-one million, two hundred forty thousand, two hundred eighty-seven".