12446152565 has 48 divisors (see below), whose sum is σ = 18999805440. Its totient is φ = 7660224000.

The previous prime is 12446152561. The next prime is 12446152567. The reversal of 12446152565 is 56525164421.

It is not a de Polignac number, because 12446152565 - 2² = 12446152561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12446152561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 315965 + ... + 353165.

It is an arithmetic number, because the mean of its divisors is an integer number (395829280).

Almost surely, 2^12446152565 is an apocalyptic number.

It is an amenable number.

12446152565 is a deficient number, since it is larger than the sum of its proper divisors (6553652875).

12446152565 is a wasteful number, since it uses less digits than its factorization.

12446152565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37314 (or 37303 counting only the distinct ones).

The product of its digits is 288000, while the sum is 41.

The spelling of 12446152565 in words is "twelve billion, four hundred forty-six million, one hundred fifty-two thousand, five hundred sixty-five".