2556602114561 has 8 divisors (see below), whose sum is σ = 2789086535424. Its totient is φ = 2324128701520.

The previous prime is 2556602114531. The next prime is 2556602114567. The reversal of 2556602114561 is 1654112066552.

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

It is a cyclic number.

It is not a de Polignac number, because 2556602114561 - 2³⁰ = 2555528372737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2556602114567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2262545 + ... + 3198798.

It is an arithmetic number, because the mean of its divisors is an integer number (348635816928).

Almost surely, 2^{2556602114561} is an apocalyptic number.

It is an amenable number.

2556602114561 is a deficient number, since it is larger than the sum of its proper divisors (232484420863).

2556602114561 is a wasteful number, since it uses less digits than its factorization.

2556602114561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503911.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 2556602114561 in words is "two trillion, five hundred fifty-six billion, six hundred two million, one hundred fourteen thousand, five hundred sixty-one".