8342520511 has 4 divisors (see below), whose sum is σ = 8984252872. Its totient is φ = 7700788152.

The previous prime is 8342520479. The next prime is 8342520521. The reversal of 8342520511 is 1150252438.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8342520511 - 2⁵ = 8342520479 is a prime.

It is a super-2 number, since 2×8342520511² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8342520521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320866161 + ... + 320866186.

It is an arithmetic number, because the mean of its divisors is an integer number (2246063218).

Almost surely, 2^8342520511 is an apocalyptic number.

8342520511 is a deficient number, since it is larger than the sum of its proper divisors (641732361).

8342520511 is a wasteful number, since it uses less digits than its factorization.

8342520511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641732360.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 8342520511 is about 91337.3993006151. The cubic root of 8342520511 is about 2028.1454351693.

Adding to 8342520511 its reverse (1150252438), we get a palindrome (9492772949).

The spelling of 8342520511 in words is "eight billion, three hundred forty-two million, five hundred twenty thousand, five hundred eleven".