10505550556 has 12 divisors (see below), whose sum is σ = 19018669320. Its totient is φ = 5071645040.

The previous prime is 10505550553. The next prime is 10505550557. The reversal of 10505550556 is 65505550501.

It is a super-2 number, since 2×10505550556² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10505550553) 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, 45282430 + ... + 45282661.

It is an arithmetic number, because the mean of its divisors is an integer number (1584889110).

Almost surely, 2^10505550556 is an apocalyptic number.

It is an amenable number.

10505550556 is a deficient number, since it is larger than the sum of its proper divisors (8513118764).

10505550556 is a wasteful number, since it uses less digits than its factorization.

10505550556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90565124 (or 90565122 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 37.

Subtracting 10505550556 from its reverse (65505550501), we obtain a palindrome (54999999945).

The spelling of 10505550556 in words is "ten billion, five hundred five million, five hundred fifty thousand, five hundred fifty-six".