10505555066 has 8 divisors (see below), whose sum is σ = 15837520800. Its totient is φ = 5226381468.

The previous prime is 10505555029. The next prime is 10505555083. The reversal of 10505555066 is 66055550501.

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

It is a super-2 number, since 2×10505555066² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13197536 + ... + 13198331.

It is an arithmetic number, because the mean of its divisors is an integer number (1979690100).

Almost surely, 2^10505555066 is an apocalyptic number.

10505555066 is a deficient number, since it is larger than the sum of its proper divisors (5331965734).

10505555066 is a wasteful number, since it uses less digits than its factorization.

10505555066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26396068.

The product of its (nonzero) digits is 112500, while the sum is 38.

It can be divided in two parts, 1050555506 and 6, that multiplied together give a palindrome (6303333036).

The spelling of 10505555066 in words is "ten billion, five hundred five million, five hundred fifty-five thousand, sixty-six".