12545111324 has 12 divisors (see below), whose sum is σ = 21959591304. Its totient is φ = 6270942384.

The previous prime is 12545111311. The next prime is 12545111357. The reversal of 12545111324 is 42311154521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385739 + ... + 416994.

It is an arithmetic number, because the mean of its divisors is an integer number (1829965942).

Almost surely, 2^12545111324 is an apocalyptic number.

It is an amenable number.

12545111324 is a deficient number, since it is larger than the sum of its proper divisors (9414479980).

12545111324 is a wasteful number, since it uses less digits than its factorization.

12545111324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806644 (or 806642 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

Adding to 12545111324 its reverse (42311154521), we get a palindrome (54856265845).

The spelling of 12545111324 in words is "twelve billion, five hundred forty-five million, one hundred eleven thousand, three hundred twenty-four".