11116165554 has 48 divisors (see below), whose sum is σ = 26540946432. Its totient is φ = 3340812384.

The previous prime is 11116165523. The next prime is 11116165561. The reversal of 11116165554 is 45556161111.

11116165554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11116165554² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 542322 + ... + 562445.

It is an arithmetic number, because the mean of its divisors is an integer number (552936384).

Almost surely, 2^11116165554 is an apocalyptic number.

11116165554 is an abundant number, since it is smaller than the sum of its proper divisors (15424780878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11116165554 is a wasteful number, since it uses less digits than its factorization.

11116165554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104831 (or 1104828 counting only the distinct ones).

The product of its digits is 18000, while the sum is 36.

It can be divided in two parts, 111161 and 65554, that added together give a triangular number (176715 = T₅₉₄).

The spelling of 11116165554 in words is "eleven billion, one hundred sixteen million, one hundred sixty-five thousand, five hundred fifty-four".