1340985735611 has 2 divisors, whose sum is σ = 1340985735612. Its totient is φ = 1340985735610.

The previous prime is 1340985735581. The next prime is 1340985735619. The reversal of 1340985735611 is 1165375890431.

It is a strong prime.

It is an emirp because it is prime and its reverse (1165375890431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340985735611 is a prime.

It is a super-2 number, since 2×1340985735611² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1340985735619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670492867805 + 670492867806.

It is an arithmetic number, because the mean of its divisors is an integer number (670492867806).

Almost surely, 2^{1340985735611} is an apocalyptic number.

1340985735611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340985735611 is an equidigital number, since it uses as much as digits as its factorization.

1340985735611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 1340985735611 in words is "one trillion, three hundred forty billion, nine hundred eighty-five million, seven hundred thirty-five thousand, six hundred eleven".