25534133312 has 28 divisors (see below), whose sum is σ = 50758106256. Its totient is φ = 12744689280.

The previous prime is 25534133293. The next prime is 25534133323. The reversal of 25534133312 is 21333143552.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

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, 312818 + ... + 385905.

Almost surely, 2^25534133312 is an apocalyptic number.

It is an amenable number.

25534133312 is a deficient number, since it is larger than the sum of its proper divisors (25223972944).

25534133312 is an equidigital number, since it uses as much as digits as its factorization.

25534133312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699306 (or 699296 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

Adding to 25534133312 its reverse (21333143552), we get a palindrome (46867276864).

The spelling of 25534133312 in words is "twenty-five billion, five hundred thirty-four million, one hundred thirty-three thousand, three hundred twelve".