12537589719168 has 256 divisors, whose sum is σ = 37113075849600. Its totient is φ = 4166818541568.

The previous prime is 12537589719103. The next prime is 12537589719199. The reversal of 12537589719168 is 86191798573521.

It is a happy number.

12537589719168 is a `hidden beast` number, since 1 + 2 + 5 + 37 + 589 + 7 + 1 + 9 + 1 + 6 + 8 = 666.

It is a super-2 number, since 2×12537589719168² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 12537589719096 and 12537589719105.

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 31 ways as a sum of consecutive naturals, for example, 1744478071 + ... + 1744485257.

Almost surely, 2^{12537589719168} is an apocalyptic number.

12537589719168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12537589719168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18556537924800).

12537589719168 is an abundant number, since it is smaller than the sum of its proper divisors (24575486130432).

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

12537589719168 is an equidigital number, since it uses as much as digits as its factorization.

12537589719168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8636 (or 8618 counting only the distinct ones).

The product of its digits is 228614400, while the sum is 72.

The spelling of 12537589719168 in words is "twelve trillion, five hundred thirty-seven billion, five hundred eighty-nine million, seven hundred nineteen thousand, one hundred sixty-eight".