52511233211 has 4 divisors (see below), whose sum is σ = 52511691624. Its totient is φ = 52510774800.

The previous prime is 52511233123. The next prime is 52511233283. The reversal of 52511233211 is 11233211525.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52511233211 is a prime.

It is a super-2 number, since 2×52511233211² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52513233211) 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, 107231 + ... + 341351.

It is an arithmetic number, because the mean of its divisors is an integer number (13127922906).

Almost surely, 2^52511233211 is an apocalyptic number.

52511233211 is a deficient number, since it is larger than the sum of its proper divisors (458413).

52511233211 is a wasteful number, since it uses less digits than its factorization.

52511233211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458412.

The product of its digits is 1800, while the sum is 26.

Adding to 52511233211 its reverse (11233211525), we get a palindrome (63744444736).

The spelling of 52511233211 in words is "fifty-two billion, five hundred eleven million, two hundred thirty-three thousand, two hundred eleven".