25345013412 has 24 divisors (see below), whose sum is σ = 59173844800. Its totient is φ = 8443269216.

The previous prime is 25345013411. The next prime is 25345013443. The reversal of 25345013412 is 21431054352.

It is a self number, because there is not a number n which added to its sum of digits gives 25345013412.

It is not an unprimeable number, because it can be changed into a prime (25345013411) 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 7 ways as a sum of consecutive naturals, for example, 612712 + ... + 652767.

Almost surely, 2^25345013412 is an apocalyptic number.

It is an amenable number.

25345013412 is an abundant number, since it is smaller than the sum of its proper divisors (33828831388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25345013412 is a wasteful number, since it uses less digits than its factorization.

25345013412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267155 (or 1267153 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 25345013412 its reverse (21431054352), we get a palindrome (46776067764).

The spelling of 25345013412 in words is "twenty-five billion, three hundred forty-five million, thirteen thousand, four hundred twelve".