12605157337 has 4 divisors (see below), whose sum is σ = 13153207680. Its totient is φ = 12057106996.

The previous prime is 12605157283. The next prime is 12605157343. The reversal of 12605157337 is 73375150621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73375150621 = 967 ⋅75879163.

It is a cyclic number.

It is not a de Polignac number, because 12605157337 - 2⁷ = 12605157209 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12605157337.

It is not an unprimeable number, because it can be changed into a prime (12605157347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274025137 + ... + 274025182.

It is an arithmetic number, because the mean of its divisors is an integer number (3288301920).

Almost surely, 2^12605157337 is an apocalyptic number.

It is an amenable number.

12605157337 is a deficient number, since it is larger than the sum of its proper divisors (548050343).

12605157337 is an equidigital number, since it uses as much as digits as its factorization.

12605157337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548050342.

The product of its (nonzero) digits is 132300, while the sum is 40.

The spelling of 12605157337 in words is "twelve billion, six hundred five million, one hundred fifty-seven thousand, three hundred thirty-seven".