82049181155 has 8 divisors (see below), whose sum is σ = 98795056752. Its totient is φ = 65415318688.

The previous prime is 82049181127. The next prime is 82049181187. The reversal of 82049181155 is 55118194028.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82049181155 is a prime.

It is a super-3 number, since 3×82049181155³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 28001669 + ... + 28004598.

It is an arithmetic number, because the mean of its divisors is an integer number (12349382094).

Almost surely, 2^82049181155 is an apocalyptic number.

82049181155 is a deficient number, since it is larger than the sum of its proper divisors (16745875597).

82049181155 is a wasteful number, since it uses less digits than its factorization.

82049181155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56006565.

The product of its (nonzero) digits is 115200, while the sum is 44.

The spelling of 82049181155 in words is "eighty-two billion, forty-nine million, one hundred eighty-one thousand, one hundred fifty-five".