52435312511 has 4 divisors (see below), whose sum is σ = 52438626024. Its totient is φ = 52431999000.

The previous prime is 52435312493. The next prime is 52435312513. The reversal of 52435312511 is 11521353425.

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-52435312511 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 (52435312513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1632905 + ... + 1664706.

It is an arithmetic number, because the mean of its divisors is an integer number (13109656506).

Almost surely, 2^52435312511 is an apocalyptic number.

52435312511 is a deficient number, since it is larger than the sum of its proper divisors (3313513).

52435312511 is a wasteful number, since it uses less digits than its factorization.

52435312511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313512.

The product of its digits is 18000, while the sum is 32.

Adding to 52435312511 its reverse (11521353425), we get a palindrome (63956665936).

The spelling of 52435312511 in words is "fifty-two billion, four hundred thirty-five million, three hundred twelve thousand, five hundred eleven".