252405435112 has 48 divisors (see below), whose sum is σ = 503658207360. Its totient is φ = 118561287936.

The previous prime is 252405435101. The next prime is 252405435181. The reversal of 252405435112 is 211534504252.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1164873 + ... + 1364455.

It is an arithmetic number, because the mean of its divisors is an integer number (10492879320).

Almost surely, 2^252405435112 is an apocalyptic number.

It is an amenable number.

252405435112 is a deficient number, since it is larger than the sum of its proper divisors (251252772248).

252405435112 is a wasteful number, since it uses less digits than its factorization.

252405435112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200170 (or 200149 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 252405435112 its reverse (211534504252), we get a palindrome (463939939364).

The spelling of 252405435112 in words is "two hundred fifty-two billion, four hundred five million, four hundred thirty-five thousand, one hundred twelve".