11020331611 has 2 divisors, whose sum is σ = 11020331612. Its totient is φ = 11020331610.

The previous prime is 11020331603. The next prime is 11020331653. The reversal of 11020331611 is 11613302011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11020331611 - 2³ = 11020331603 is a prime.

It is not a weakly prime, because it can be changed into another prime (11020331671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510165805 + 5510165806.

It is an arithmetic number, because the mean of its divisors is an integer number (5510165806).

Almost surely, 2^11020331611 is an apocalyptic number.

11020331611 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020331611 is an equidigital number, since it uses as much as digits as its factorization.

11020331611 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 11020331611 its reverse (11613302011), we get a palindrome (22633633622).

The spelling of 11020331611 in words is "eleven billion, twenty million, three hundred thirty-one thousand, six hundred eleven".