181054560722056 has 96 divisors (see below), whose sum is σ = 440138638317600. Its totient is φ = 69186705154560.

The previous prime is 181054560722051. The next prime is 181054560722129. The reversal of 181054560722056 is 650227065450181.

It is a junction number, because it is equal to n+sod(n) for n = 181054560721994 and 181054560722012.

It is not an unprimeable number, because it can be changed into a prime (181054560722051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 714848430 + ... + 715101661.

It is an arithmetic number, because the mean of its divisors is an integer number (4584777482475).

Almost surely, 2^{181054560722056} is an apocalyptic number.

It is an amenable number.

181054560722056 is an abundant number, since it is smaller than the sum of its proper divisors (259084077595544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

181054560722056 is a wasteful number, since it uses less digits than its factorization.

181054560722056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429950147 (or 1429950136 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 181054560722056 in words is "one hundred eighty-one trillion, fifty-four billion, five hundred sixty million, seven hundred twenty-two thousand, fifty-six".