12665151515404 has 6 divisors (see below), whose sum is σ = 22164015151964. Its totient is φ = 6332575757700.

The previous prime is 12665151515399. The next prime is 12665151515417. The reversal of 12665151515404 is 40451515156621.

It is a super-3 number, since 3×12665151515404³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1583143939422 + ... + 1583143939429.

Almost surely, 2^{12665151515404} is an apocalyptic number.

It is an amenable number.

12665151515404 is a deficient number, since it is larger than the sum of its proper divisors (9498863636560).

12665151515404 is a wasteful number, since it uses less digits than its factorization.

12665151515404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166287878855 (or 3166287878853 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 46.

The spelling of 12665151515404 in words is "twelve trillion, six hundred sixty-five billion, one hundred fifty-one million, five hundred fifteen thousand, four hundred four".