11131083287 has 2 divisors, whose sum is σ = 11131083288. Its totient is φ = 11131083286.

The previous prime is 11131083281. The next prime is 11131083307. The reversal of 11131083287 is 78238013111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11131083287 - 2³² = 6836115991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11131083281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565541643 + 5565541644.

It is an arithmetic number, because the mean of its divisors is an integer number (5565541644).

Almost surely, 2^11131083287 is an apocalyptic number.

11131083287 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131083287 is an equidigital number, since it uses as much as digits as its factorization.

11131083287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 35.

Adding to 11131083287 its reverse (78238013111), we get a palindrome (89369096398).

The spelling of 11131083287 in words is "eleven billion, one hundred thirty-one million, eighty-three thousand, two hundred eighty-seven".