11263139617 has 2 divisors, whose sum is σ = 11263139618. Its totient is φ = 11263139616.

The previous prime is 11263139611. The next prime is 11263139627. The reversal of 11263139617 is 71693136211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11251057041 + 12082576 = 106071^2 + 3476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11263139617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11263139617.

It is not a weakly prime, because it can be changed into another prime (11263139611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5631569808 + 5631569809.

It is an arithmetic number, because the mean of its divisors is an integer number (5631569809).

Almost surely, 2^11263139617 is an apocalyptic number.

It is an amenable number.

11263139617 is a deficient number, since it is larger than the sum of its proper divisors (1).

11263139617 is an equidigital number, since it uses as much as digits as its factorization.

11263139617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 40.

The spelling of 11263139617 in words is "eleven billion, two hundred sixty-three million, one hundred thirty-nine thousand, six hundred seventeen".