652000221611 has 4 divisors (see below), whose sum is σ = 652025189424. Its totient is φ = 651975253800.

The previous prime is 652000221601. The next prime is 652000221619. The reversal of 652000221611 is 116122000256.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652000221611 is a prime.

It is a super-2 number, since 2×652000221611² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652000221619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12444695 + ... + 12496976.

It is an arithmetic number, because the mean of its divisors is an integer number (163006297356).

Almost surely, 2^652000221611 is an apocalyptic number.

652000221611 is a deficient number, since it is larger than the sum of its proper divisors (24967813).

652000221611 is a wasteful number, since it uses less digits than its factorization.

652000221611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24967812.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 652000221611 its reverse (116122000256), we get a palindrome (768122221867).

The spelling of 652000221611 in words is "six hundred fifty-two billion, two hundred twenty-one thousand, six hundred eleven".