252112523111 has 4 divisors (see below), whose sum is σ = 255566119392. Its totient is φ = 248658926832.

The previous prime is 252112523077. The next prime is 252112523129. The reversal of 252112523111 is 111325211252.

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 252112523111 - 2²² = 252108328807 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 (252112523141) 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, 1726798031 + ... + 1726798176.

It is an arithmetic number, because the mean of its divisors is an integer number (63891529848).

Almost surely, 2^252112523111 is an apocalyptic number.

252112523111 is a deficient number, since it is larger than the sum of its proper divisors (3453596281).

252112523111 is an equidigital number, since it uses as much as digits as its factorization.

252112523111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453596280.

The product of its digits is 1200, while the sum is 26.

Adding to 252112523111 its reverse (111325211252), we get a palindrome (363437734363).

The spelling of 252112523111 in words is "two hundred fifty-two billion, one hundred twelve million, five hundred twenty-three thousand, one hundred eleven".