111155005089 has 6 divisors (see below), whose sum is σ = 160557229586. Its totient is φ = 74103336720.

The previous prime is 111155005057. The next prime is 111155005127. The reversal of 111155005089 is 980500551111.

111155005089 is a `hidden beast` number, since 1 + 11 + 15 + 500 + 50 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 74429115489 + 36725889600 = 272817^2 + 191640^2 .

It is not a de Polignac number, because 111155005089 - 2⁵ = 111155005057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111155005009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6175278052 + ... + 6175278069.

Almost surely, 2^111155005089 is an apocalyptic number.

It is an amenable number.

111155005089 is a deficient number, since it is larger than the sum of its proper divisors (49402224497).

111155005089 is a wasteful number, since it uses less digits than its factorization.

111155005089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12350556127 (or 12350556124 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 36.

The spelling of 111155005089 in words is "one hundred eleven billion, one hundred fifty-five million, five thousand, eighty-nine".