10515560066 has 16 divisors (see below), whose sum is σ = 17256038688. Its totient is φ = 4766256000.

The previous prime is 10515560063. The next prime is 10515560113. The reversal of 10515560066 is 66006551501.

It is a super-2 number, since 2×10515560066² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10515560063) 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, 669260 + ... + 684791.

It is an arithmetic number, because the mean of its divisors is an integer number (1078502418).

Almost surely, 2^10515560066 is an apocalyptic number.

10515560066 is a deficient number, since it is larger than the sum of its proper divisors (6740478622).

10515560066 is a wasteful number, since it uses less digits than its factorization.

10515560066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354417.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 10515560066 in words is "ten billion, five hundred fifteen million, five hundred sixty thousand, sixty-six".