252311524111 has 4 divisors (see below), whose sum is σ = 252378507312. Its totient is φ = 252244540912.

The previous prime is 252311524099. The next prime is 252311524117. The reversal of 252311524111 is 111425113252.

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 252311524111 - 2⁵ = 252311524079 is a prime.

It is a super-2 number, since 2×252311524111² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252311524111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252311524117) 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, 33485950 + ... + 33493483.

It is an arithmetic number, because the mean of its divisors is an integer number (63094626828).

Almost surely, 2^252311524111 is an apocalyptic number.

252311524111 is a deficient number, since it is larger than the sum of its proper divisors (66983201).

252311524111 is an equidigital number, since it uses as much as digits as its factorization.

252311524111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66983200.

The product of its digits is 2400, while the sum is 28.

Adding to 252311524111 its reverse (111425113252), we get a palindrome (363736637363).

The spelling of 252311524111 in words is "two hundred fifty-two billion, three hundred eleven million, five hundred twenty-four thousand, one hundred eleven".