10305172081 has 8 divisors (see below), whose sum is σ = 10928234880. Its totient is φ = 9683984448.

The previous prime is 10305172079. The next prime is 10305172133. The reversal of 10305172081 is 18027150301.

10305172081 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 10305172081 - 2¹ = 10305172079 is a prime.

It is a super-2 number, since 2×10305172081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10305172021) by changing a digit.

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, 457461 + ... + 479458.

It is an arithmetic number, because the mean of its divisors is an integer number (1366029360).

Almost surely, 2^10305172081 is an apocalyptic number.

It is an amenable number.

10305172081 is a deficient number, since it is larger than the sum of its proper divisors (623062799).

10305172081 is an equidigital number, since it uses as much as digits as its factorization.

10305172081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937583.

The product of its (nonzero) digits is 1680, while the sum is 28.

The spelling of 10305172081 in words is "ten billion, three hundred five million, one hundred seventy-two thousand, eighty-one".