10666265366515 has 16 divisors (see below), whose sum is σ = 14171515672320. Its totient is φ = 7641503543520.

The previous prime is 10666265366443. The next prime is 10666265366521. The reversal of 10666265366515 is 51566356266601.

It is not a de Polignac number, because 10666265366515 - 2¹⁵ = 10666265333747 is a prime.

It is a super-2 number, since 2×10666265366515² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10666265366515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1447250775 + ... + 1447258144.

It is an arithmetic number, because the mean of its divisors is an integer number (885719729520).

Almost surely, 2^{10666265366515} is an apocalyptic number.

10666265366515 is a deficient number, since it is larger than the sum of its proper divisors (3505250305805).

10666265366515 is a wasteful number, since it uses less digits than its factorization.

10666265366515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894509002.

The product of its (nonzero) digits is 34992000, while the sum is 58.

The spelling of 10666265366515 in words is "ten trillion, six hundred sixty-six billion, two hundred sixty-five million, three hundred sixty-six thousand, five hundred fifteen".