10666011115 has 4 divisors (see below), whose sum is σ = 12799213344. Its totient is φ = 8532808888.

The previous prime is 10666011079. The next prime is 10666011149. The reversal of 10666011115 is 51111066601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10666011115 - 2¹³ = 10666002923 is a prime.

It is a super-2 number, since 2×10666011115² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066601107 + ... + 1066601116.

It is an arithmetic number, because the mean of its divisors is an integer number (3199803336).

Almost surely, 2^10666011115 is an apocalyptic number.

10666011115 is a deficient number, since it is larger than the sum of its proper divisors (2133202229).

10666011115 is an equidigital number, since it uses as much as digits as its factorization.

10666011115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133202228.

The product of its (nonzero) digits is 1080, while the sum is 28.

Adding to 10666011115 its reverse (51111066601), we get a palindrome (61777077716).

The spelling of 10666011115 in words is "ten billion, six hundred sixty-six million, eleven thousand, one hundred fifteen".