11013321061 has 2 divisors, whose sum is σ = 11013321062. Its totient is φ = 11013321060.

The previous prime is 11013320993. The next prime is 11013321073. The reversal of 11013321061 is 16012331011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6527670436 + 4485650625 = 80794^2 + 66975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11013321061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11013321161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506660530 + 5506660531.

It is an arithmetic number, because the mean of its divisors is an integer number (5506660531).

Almost surely, 2^11013321061 is an apocalyptic number.

It is an amenable number.

11013321061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11013321061 is an equidigital number, since it uses as much as digits as its factorization.

11013321061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11013321061 its reverse (16012331011), we get a palindrome (27025652072).

The spelling of 11013321061 in words is "eleven billion, thirteen million, three hundred twenty-one thousand, sixty-one".