111100532085 has 48 divisors (see below), whose sum is σ = 193279806720. Its totient is φ = 59036929920.

The previous prime is 111100532077. The next prime is 111100532087. The reversal of 111100532085 is 580235001111.

111100532085 is a `hidden beast` number, since 11 + 110 + 0 + 532 + 0 + 8 + 5 = 666.

It is not a de Polignac number, because 111100532085 - 2³ = 111100532077 is a prime.

It is a super-2 number, since 2×111100532085² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100532087) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15326932 + ... + 15334178.

It is an arithmetic number, because the mean of its divisors is an integer number (4026662640).

Almost surely, 2^111100532085 is an apocalyptic number.

111100532085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111100532085 is a deficient number, since it is larger than the sum of its proper divisors (82179274635).

111100532085 is a wasteful number, since it uses less digits than its factorization.

111100532085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8458 (or 8455 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

Adding to 111100532085 its reverse (580235001111), we get a palindrome (691335533196).

The spelling of 111100532085 in words is "one hundred eleven billion, one hundred million, five hundred thirty-two thousand, eighty-five".