12604040036645 has 16 divisors (see below), whose sum is σ = 15144325781760. Its totient is φ = 10070255232000.

The previous prime is 12604040036573. The next prime is 12604040036671. The reversal of 12604040036645 is 54663004040621.

It is not a de Polignac number, because 12604040036645 - 2²⁰ = 12604038988069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11574536 + ... + 12616574.

It is an arithmetic number, because the mean of its divisors is an integer number (946520361360).

Almost surely, 2^{12604040036645} is an apocalyptic number.

It is an amenable number.

12604040036645 is a deficient number, since it is larger than the sum of its proper divisors (2540285745115).

12604040036645 is a wasteful number, since it uses less digits than its factorization.

12604040036645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045156.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 12604040036645 in words is "twelve trillion, six hundred four billion, forty million, thirty-six thousand, six hundred forty-five".