12755625194 has 16 divisors (see below), whose sum is σ = 20622562632. Its totient is φ = 5882262528.

The previous prime is 12755625191. The next prime is 12755625217. The reversal of 12755625194 is 49152655721.

It can be written as a sum of positive squares in 4 ways, for example, as 10560234169 + 2195391025 = 102763^2 + 46855^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12755625191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174599 + ... + 236634.

Almost surely, 2^12755625194 is an apocalyptic number.

12755625194 is a deficient number, since it is larger than the sum of its proper divisors (7866937438).

12755625194 is a wasteful number, since it uses less digits than its factorization.

12755625194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412441.

The product of its digits is 756000, while the sum is 47.

The spelling of 12755625194 in words is "twelve billion, seven hundred fifty-five million, six hundred twenty-five thousand, one hundred ninety-four".