320212552511 has 2 divisors, whose sum is σ = 320212552512. Its totient is φ = 320212552510.

The previous prime is 320212552463. The next prime is 320212552529. The reversal of 320212552511 is 115255212023.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320212552511 - 2¹⁰ = 320212551487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320212551511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160106276255 + 160106276256.

It is an arithmetic number, because the mean of its divisors is an integer number (160106276256).

Almost surely, 2^320212552511 is an apocalyptic number.

320212552511 is a deficient number, since it is larger than the sum of its proper divisors (1).

320212552511 is an equidigital number, since it uses as much as digits as its factorization.

320212552511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 320212552511 its reverse (115255212023), we get a palindrome (435467764534).

The spelling of 320212552511 in words is "three hundred twenty billion, two hundred twelve million, five hundred fifty-two thousand, five hundred eleven".