11135171287 has 2 divisors, whose sum is σ = 11135171288. Its totient is φ = 11135171286.

The previous prime is 11135171269. The next prime is 11135171347. The reversal of 11135171287 is 78217153111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11135171287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11135171237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5567585643 + 5567585644.

It is an arithmetic number, because the mean of its divisors is an integer number (5567585644).

Almost surely, 2^11135171287 is an apocalyptic number.

11135171287 is a deficient number, since it is larger than the sum of its proper divisors (1).

11135171287 is an equidigital number, since it uses as much as digits as its factorization.

11135171287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 37.

The spelling of 11135171287 in words is "eleven billion, one hundred thirty-five million, one hundred seventy-one thousand, two hundred eighty-seven".