10555605605557 has 4 divisors (see below), whose sum is σ = 10559197172160. Its totient is φ = 10552014038956.

The previous prime is 10555605605527. The next prime is 10555605605639. The reversal of 10555605605557 is 75550650655501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10555605605557 is a prime.

It is a super-2 number, since 2×10555605605557² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10555605605498 and 10555605605507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10555605605527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1795778893 + ... + 1795784770.

It is an arithmetic number, because the mean of its divisors is an integer number (2639799293040).

Almost surely, 2^{10555605605557} is an apocalyptic number.

It is an amenable number.

10555605605557 is a deficient number, since it is larger than the sum of its proper divisors (3591566603).

10555605605557 is an equidigital number, since it uses as much as digits as its factorization.

10555605605557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3591566602.

The product of its (nonzero) digits is 19687500, while the sum is 55.

The spelling of 10555605605557 in words is "ten trillion, five hundred fifty-five billion, six hundred five million, six hundred five thousand, five hundred fifty-seven".