10181281056 has 48 divisors (see below), whose sum is σ = 26751995424. Its totient is φ = 3390441984.

The previous prime is 10181281049. The next prime is 10181281109. The reversal of 10181281056 is 65018218101.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47835 + ... + 150501.

It is an arithmetic number, because the mean of its divisors is an integer number (557333238).

Almost surely, 2^10181281056 is an apocalyptic number.

10181281056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10181281056 is an abundant number, since it is smaller than the sum of its proper divisors (16570714368).

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

10181281056 is a wasteful number, since it uses less digits than its factorization.

10181281056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103713 (or 103705 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 33.

Adding to 10181281056 its reverse (65018218101), we get a palindrome (75199499157).

The spelling of 10181281056 in words is "ten billion, one hundred eighty-one million, two hundred eighty-one thousand, fifty-six".