181830472755 has 8 divisors (see below), whose sum is σ = 290928756432. Its totient is φ = 96976252128.

The previous prime is 181830472741. The next prime is 181830472757. The reversal of 181830472755 is 557274038181.

181830472755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 181830472755 - 2²⁵ = 181796918323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 181830472698 and 181830472707.

It is not an unprimeable number, because it can be changed into a prime (181830472757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6061015744 + ... + 6061015773.

It is an arithmetic number, because the mean of its divisors is an integer number (36366094554).

Almost surely, 2^181830472755 is an apocalyptic number.

181830472755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

181830472755 is a deficient number, since it is larger than the sum of its proper divisors (109098283677).

181830472755 is a wasteful number, since it uses less digits than its factorization.

181830472755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12122031525.

The product of its (nonzero) digits is 1881600, while the sum is 51.

The spelling of 181830472755 in words is "one hundred eighty-one billion, eight hundred thirty million, four hundred seventy-two thousand, seven hundred fifty-five".