13840287611 has 2 divisors, whose sum is σ = 13840287612. Its totient is φ = 13840287610.

The previous prime is 13840287607. The next prime is 13840287623. The reversal of 13840287611 is 11678204831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13840287611 - 2² = 13840287607 is a prime.

It is a super-2 number, since 2×13840287611² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13840257611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6920143805 + 6920143806.

It is an arithmetic number, because the mean of its divisors is an integer number (6920143806).

Almost surely, 2^13840287611 is an apocalyptic number.

13840287611 is a deficient number, since it is larger than the sum of its proper divisors (1).

13840287611 is an equidigital number, since it uses as much as digits as its factorization.

13840287611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 13840287611 in words is "thirteen billion, eight hundred forty million, two hundred eighty-seven thousand, six hundred eleven".