11166706220715 has 24 divisors (see below), whose sum is σ = 19355821653168. Its totient is φ = 5955515870400.

The previous prime is 11166706220711. The next prime is 11166706220743. The reversal of 11166706220715 is 51702260766111.

11166706220715 is a `hidden beast` number, since 1 + 1 + 1 + 6 + 6 + 7 + 0 + 622 + 0 + 7 + 15 = 666.

It is not a de Polignac number, because 11166706220715 - 2² = 11166706220711 is a prime.

It is a super-2 number, since 2×11166706220715² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (11166706220711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3379332 + ... + 5809758.

It is an arithmetic number, because the mean of its divisors is an integer number (806492568882).

Almost surely, 2^{11166706220715} is an apocalyptic number.

11166706220715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11166706220715 is a deficient number, since it is larger than the sum of its proper divisors (8189115432453).

11166706220715 is a wasteful number, since it uses less digits than its factorization.

11166706220715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532539 (or 2532536 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

Adding to 11166706220715 its reverse (51702260766111), we get a palindrome (62868966986826).

The spelling of 11166706220715 in words is "eleven trillion, one hundred sixty-six billion, seven hundred six million, two hundred twenty thousand, seven hundred fifteen".