252503403311 has 4 divisors (see below), whose sum is σ = 253635705792. Its totient is φ = 251371100832.

The previous prime is 252503403289. The next prime is 252503403329. The reversal of 252503403311 is 113304305252.

It is a happy number.

252503403311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 252503403311 - 2³⁰ = 251429661487 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 (252503403811) 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, 566150906 + ... + 566151351.

It is an arithmetic number, because the mean of its divisors is an integer number (63408926448).

Almost surely, 2^252503403311 is an apocalyptic number.

252503403311 is a deficient number, since it is larger than the sum of its proper divisors (1132302481).

252503403311 is a wasteful number, since it uses less digits than its factorization.

252503403311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132302480.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 252503403311 its reverse (113304305252), we get a palindrome (365807708563).

The spelling of 252503403311 in words is "two hundred fifty-two billion, five hundred three million, four hundred three thousand, three hundred eleven".