12604179157 has 2 divisors, whose sum is σ = 12604179158. Its totient is φ = 12604179156.

The previous prime is 12604179073. The next prime is 12604179173. The reversal of 12604179157 is 75197140621.

It is a happy number.

12604179157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11329260721 + 1274918436 = 106439^2 + 35706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12604179157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12604159157) by changing a digit.

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 as a sum of consecutive naturals, namely, 6302089578 + 6302089579.

It is an arithmetic number, because the mean of its divisors is an integer number (6302089579).

Almost surely, 2^12604179157 is an apocalyptic number.

It is an amenable number.

12604179157 is a deficient number, since it is larger than the sum of its proper divisors (1).

12604179157 is an equidigital number, since it uses as much as digits as its factorization.

12604179157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 12604179157 in words is "twelve billion, six hundred four million, one hundred seventy-nine thousand, one hundred fifty-seven".