12505604061 has 8 divisors (see below), whose sum is σ = 16674698880. Its totient is φ = 8336789312.

The previous prime is 12505604003. The next prime is 12505604071. The reversal of 12505604061 is 16040650521.

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 12505604061 - 2⁷ = 12505603933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12505604071) 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, 80236 + ... + 177338.

It is an arithmetic number, because the mean of its divisors is an integer number (2084337360).

Almost surely, 2^12505604061 is an apocalyptic number.

It is an amenable number.

12505604061 is a deficient number, since it is larger than the sum of its proper divisors (4169094819).

12505604061 is an equidigital number, since it uses as much as digits as its factorization.

12505604061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140035.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 12505604061 in words is "twelve billion, five hundred five million, six hundred four thousand, sixty-one".