52511133133 has 4 divisors (see below), whose sum is σ = 52833287488. Its totient is φ = 52188978780.

The previous prime is 52511133127. The next prime is 52511133139. The reversal of 52511133133 is 33133111525.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (52511133127) and next prime (52511133139).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52511133133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52511133139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161076933 + ... + 161077258.

It is an arithmetic number, because the mean of its divisors is an integer number (13208321872).

Almost surely, 2^52511133133 is an apocalyptic number.

It is an amenable number.

52511133133 is a deficient number, since it is larger than the sum of its proper divisors (322154355).

52511133133 is a wasteful number, since it uses less digits than its factorization.

52511133133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322154354.

The product of its digits is 4050, while the sum is 28.

Adding to 52511133133 its reverse (33133111525), we get a palindrome (85644244658).

The spelling of 52511133133 in words is "fifty-two billion, five hundred eleven million, one hundred thirty-three thousand, one hundred thirty-three".