10515565066 has 16 divisors (see below), whose sum is σ = 15956186400. Its totient is φ = 5197067568.

The previous prime is 10515565043. The next prime is 10515565079. The reversal of 10515565066 is 66056551501.

It is a super-2 number, since 2×10515565066² (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 7 ways as a sum of consecutive naturals, for example, 33781 + ... + 148903.

It is an arithmetic number, because the mean of its divisors is an integer number (997261650).

Almost surely, 2^10515565066 is an apocalyptic number.

10515565066 is a deficient number, since it is larger than the sum of its proper divisors (5440621334).

10515565066 is a wasteful number, since it uses less digits than its factorization.

10515565066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115653.

The product of its (nonzero) digits is 135000, while the sum is 40.

It can be divided in two parts, 1051556506 and 6, that multiplied together give a palindrome (6309339036).

The spelling of 10515565066 in words is "ten billion, five hundred fifteen million, five hundred sixty-five thousand, sixty-six".