11116166655 has 16 divisors (see below), whose sum is σ = 19402763904. Its totient is φ = 5389656480.

The previous prime is 11116166609. The next prime is 11116166671. The reversal of 11116166655 is 55666161111.

It is not a de Polignac number, because 11116166655 - 2⁶ = 11116166591 is a prime.

It is a super-2 number, since 2×11116166655² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33685189 + ... + 33685518.

It is an arithmetic number, because the mean of its divisors is an integer number (1212672744).

Almost surely, 2^11116166655 is an apocalyptic number.

11116166655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11116166655 is a deficient number, since it is larger than the sum of its proper divisors (8286597249).

11116166655 is a wasteful number, since it uses less digits than its factorization.

11116166655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67370726.

The product of its digits is 32400, while the sum is 39.

It can be divided in two parts, 11116 and 166655, that added together give a palindrome (177771).

The spelling of 11116166655 in words is "eleven billion, one hundred sixteen million, one hundred sixty-six thousand, six hundred fifty-five".