11997824412568 has 64 divisors (see below), whose sum is σ = 23920073712000. Its totient is φ = 5630920791552.

The previous prime is 11997824412551. The next prime is 11997824412589. The reversal of 11997824412568 is 86521442879911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9981105 + ... + 11118367.

It is an arithmetic number, because the mean of its divisors is an integer number (373751151750).

Almost surely, 2^{11997824412568} is an apocalyptic number.

It is an amenable number.

11997824412568 is a deficient number, since it is larger than the sum of its proper divisors (11922249299432).

11997824412568 is a wasteful number, since it uses less digits than its factorization.

11997824412568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138564 (or 1138560 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 67.

The spelling of 11997824412568 in words is "eleven trillion, nine hundred ninety-seven billion, eight hundred twenty-four million, four hundred twelve thousand, five hundred sixty-eight".