11166116655 has 16 divisors (see below), whose sum is σ = 17867226240. Its totient is φ = 5954782368.

The previous prime is 11166116653. The next prime is 11166116699. The reversal of 11166116655 is 55661166111.

It is not a de Polignac number, because 11166116655 - 2¹ = 11166116653 is a prime.

It is a super-2 number, since 2×11166116655² (a number of 21 digits) contains 22 as substring.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11166116653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241864 + ... + 284306.

It is an arithmetic number, because the mean of its divisors is an integer number (1116701640).

Almost surely, 2^11166116655 is an apocalyptic number.

11166116655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11166116655 is a deficient number, since it is larger than the sum of its proper divisors (6701109585).

11166116655 is a wasteful number, since it uses less digits than its factorization.

11166116655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59990.

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

The spelling of 11166116655 in words is "eleven billion, one hundred sixty-six million, one hundred sixteen thousand, six hundred fifty-five".