11155116566613 has 16 divisors (see below), whose sum is σ = 15077873646720. Its totient is φ = 7334560560384.

The previous prime is 11155116566611. The next prime is 11155116566623. The reversal of 11155116566613 is 31666561155111.

It is not a de Polignac number, because 11155116566613 - 2¹ = 11155116566611 is a prime.

It is a super-2 number, since 2×11155116566613² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11155116566611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4162945 + ... + 6296057.

It is an arithmetic number, because the mean of its divisors is an integer number (942367102920).

Almost surely, 2^{11155116566613} is an apocalyptic number.

It is an amenable number.

11155116566613 is a deficient number, since it is larger than the sum of its proper divisors (3922757080107).

11155116566613 is a wasteful number, since it uses less digits than its factorization.

11155116566613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157068.

The product of its digits is 486000, while the sum is 48.

The spelling of 11155116566613 in words is "eleven trillion, one hundred fifty-five billion, one hundred sixteen million, five hundred sixty-six thousand, six hundred thirteen".