12606363505 has 8 divisors (see below), whose sum is σ = 15128471592. Its totient is φ = 10084533888.

The previous prime is 12606363479. The next prime is 12606363533. The reversal of 12606363505 is 50536360621.

It can be written as a sum of positive squares in 4 ways, for example, as 1125669601 + 11480693904 = 33551^2 + 107148^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12606363505 is a prime.

It is a Duffinian number.

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, 48069 + ... + 165901.

It is an arithmetic number, because the mean of its divisors is an integer number (1891058949).

Almost surely, 2^12606363505 is an apocalyptic number.

It is an amenable number.

12606363505 is a deficient number, since it is larger than the sum of its proper divisors (2522108087).

12606363505 is a wasteful number, since it uses less digits than its factorization.

12606363505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139235.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 12606363505 in words is "twelve billion, six hundred six million, three hundred sixty-three thousand, five hundred five".