89037512181 has 6 divisors (see below), whose sum is σ = 128609739830. Its totient is φ = 59358341448.

The previous prime is 89037512177. The next prime is 89037512197. The reversal of 89037512181 is 18121573098.

89037512181 is a `hidden beast` number, since 8 + 90 + 37 + 512 + 18 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 79718699025 + 9318813156 = 282345^2 + 96534^2 .

It is not a de Polignac number, because 89037512181 - 2² = 89037512177 is a prime.

It is a super-3 number, since 3×89037512181³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89037512111) 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, 4946528446 + ... + 4946528463.

Almost surely, 2^89037512181 is an apocalyptic number.

It is an amenable number.

89037512181 is a deficient number, since it is larger than the sum of its proper divisors (39572227649).

89037512181 is a wasteful number, since it uses less digits than its factorization.

89037512181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9893056915 (or 9893056912 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The spelling of 89037512181 in words is "eighty-nine billion, thirty-seven million, five hundred twelve thousand, one hundred eighty-one".