12785386145 has 8 divisors (see below), whose sum is σ = 17534243904. Its totient is φ = 8767121904.

The previous prime is 12785386111. The next prime is 12785386177. The reversal of 12785386145 is 54168358721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12785386145 - 2²⁶ = 12718277281 is a prime.

It is a super-2 number, since 2×12785386145² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12785386093 and 12785386102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182648339 + ... + 182648408.

It is an arithmetic number, because the mean of its divisors is an integer number (2191780488).

Almost surely, 2^12785386145 is an apocalyptic number.

It is an amenable number.

12785386145 is a deficient number, since it is larger than the sum of its proper divisors (4748857759).

12785386145 is an equidigital number, since it uses as much as digits as its factorization.

12785386145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365296759.

The product of its digits is 1612800, while the sum is 50.

The spelling of 12785386145 in words is "twelve billion, seven hundred eighty-five million, three hundred eighty-six thousand, one hundred forty-five".