111027536081 has 8 divisors (see below), whose sum is σ = 138423941184. Its totient is φ = 86514963120.

The previous prime is 111027536077. The next prime is 111027536093. The reversal of 111027536081 is 180635720111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111027536081 - 2² = 111027536077 is a prime.

It is a super-2 number, since 2×111027536081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111027536281) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 720957950 + ... + 720958103.

It is an arithmetic number, because the mean of its divisors is an integer number (17302992648).

Almost surely, 2^111027536081 is an apocalyptic number.

111027536081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111027536081 is a deficient number, since it is larger than the sum of its proper divisors (27396405103).

111027536081 is a wasteful number, since it uses less digits than its factorization.

111027536081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441916071.

The product of its (nonzero) digits is 10080, while the sum is 35.

The spelling of 111027536081 in words is "one hundred eleven billion, twenty-seven million, five hundred thirty-six thousand, eighty-one".