108255681 has 6 divisors (see below), whose sum is σ = 156369330. Its totient is φ = 72170448.

The previous prime is 108255671. The next prime is 108255683. The reversal of 108255681 is 186552801.

108255681 is a `hidden beast` number, since 10 + 82 + 5 + 568 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 99201600 + 9054081 = 9960^2 + 3009^2 .

It is not a de Polignac number, because 108255681 - 2¹⁵ = 108222913 is a prime.

It is a super-2 number, since 2×108255681² = 23438584937547522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (108255683) 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, 6014196 + ... + 6014213.

It is an arithmetic number, because the mean of its divisors is an integer number (26061555).

Almost surely, 2^108255681 is an apocalyptic number.

It is an amenable number.

108255681 is a deficient number, since it is larger than the sum of its proper divisors (48113649).

108255681 is a wasteful number, since it uses less digits than its factorization.

108255681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12028415 (or 12028412 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The square root of 108255681 is about 10404.5990311977. The cubic root of 108255681 is about 476.5958233891.

The spelling of 108255681 in words is "one hundred eight million, two hundred fifty-five thousand, six hundred eighty-one".