220523604011 has 2 divisors, whose sum is σ = 220523604012. Its totient is φ = 220523604010.

The previous prime is 220523603999. The next prime is 220523604017. The reversal of 220523604011 is 110406325022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220523604011 - 2¹⁸ = 220523341867 is a prime.

It is not a weakly prime, because it can be changed into another prime (220523604017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110261802005 + 110261802006.

It is an arithmetic number, because the mean of its divisors is an integer number (110261802006).

Almost surely, 2^220523604011 is an apocalyptic number.

220523604011 is a deficient number, since it is larger than the sum of its proper divisors (1).

220523604011 is an equidigital number, since it uses as much as digits as its factorization.

220523604011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 220523604011 its reverse (110406325022), we get a palindrome (330929929033).

The spelling of 220523604011 in words is "two hundred twenty billion, five hundred twenty-three million, six hundred four thousand, eleven".