52665112331 has 4 divisors (see below), whose sum is σ = 56716274832. Its totient is φ = 48613949832.

The previous prime is 52665112319. The next prime is 52665112337. The reversal of 52665112331 is 13321156625.

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 52665112331 - 2¹⁸ = 52664850187 is a prime.

It is a super-2 number, since 2×52665112331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52665112291 and 52665112300.

It is not an unprimeable number, because it can be changed into a prime (52665112337) 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, 2025581231 + ... + 2025581256.

It is an arithmetic number, because the mean of its divisors is an integer number (14179068708).

Almost surely, 2^52665112331 is an apocalyptic number.

52665112331 is a deficient number, since it is larger than the sum of its proper divisors (4051162501).

52665112331 is a wasteful number, since it uses less digits than its factorization.

52665112331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051162500.

The product of its digits is 32400, while the sum is 35.

Adding to 52665112331 its reverse (13321156625), we get a palindrome (65986268956).

The spelling of 52665112331 in words is "fifty-two billion, six hundred sixty-five million, one hundred twelve thousand, three hundred thirty-one".