10556817582817 has 8 divisors (see below), whose sum is σ = 12122661339360. Its totient is φ = 9091996004160.

The previous prime is 10556817582803. The next prime is 10556817582917. The reversal of 10556817582817 is 71828571865501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10556817582817 is a prime.

It is a super-2 number, since 2×10556817582817² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10556817582917) 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, 25255544248 + ... + 25255544665.

It is an arithmetic number, because the mean of its divisors is an integer number (1515332667420).

Almost surely, 2^{10556817582817} is an apocalyptic number.

It is an amenable number.

10556817582817 is a deficient number, since it is larger than the sum of its proper divisors (1565843756543).

10556817582817 is a wasteful number, since it uses less digits than its factorization.

10556817582817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50511088943.

The product of its (nonzero) digits is 37632000, while the sum is 64.

The spelling of 10556817582817 in words is "ten trillion, five hundred fifty-six billion, eight hundred seventeen million, five hundred eighty-two thousand, eight hundred seventeen".