12616552655601 has 16 divisors (see below), whose sum is σ = 16882162160640. Its totient is φ = 8380991417040.

The previous prime is 12616552655593. The next prime is 12616552655611. The reversal of 12616552655601 is 10655625561621.

It is not a de Polignac number, because 12616552655601 - 2³ = 12616552655593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12616552655611) 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 15 ways as a sum of consecutive naturals, for example, 22880620 + ... + 23425538.

It is an arithmetic number, because the mean of its divisors is an integer number (1055135135040).

Almost surely, 2^{12616552655601} is an apocalyptic number.

It is an amenable number.

12616552655601 is a deficient number, since it is larger than the sum of its proper divisors (4265609505039).

12616552655601 is a wasteful number, since it uses less digits than its factorization.

12616552655601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572476.

The product of its (nonzero) digits is 3240000, while the sum is 51.

The spelling of 12616552655601 in words is "twelve trillion, six hundred sixteen billion, five hundred fifty-two million, six hundred fifty-five thousand, six hundred one".