11161503214717 has 2 divisors, whose sum is σ = 11161503214718. Its totient is φ = 11161503214716.

The previous prime is 11161503214691. The next prime is 11161503214793. The reversal of 11161503214717 is 71741230516111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11127521610436 + 33981604281 = 3335794^2 + 184341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11161503214717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11161503214717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11161503214117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5580751607358 + 5580751607359.

It is an arithmetic number, because the mean of its divisors is an integer number (5580751607359).

Almost surely, 2^{11161503214717} is an apocalyptic number.

It is an amenable number.

11161503214717 is a deficient number, since it is larger than the sum of its proper divisors (1).

11161503214717 is an equidigital number, since it uses as much as digits as its factorization.

11161503214717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 40.

The spelling of 11161503214717 in words is "eleven trillion, one hundred sixty-one billion, five hundred three million, two hundred fourteen thousand, seven hundred seventeen".