10781173056 has 56 divisors (see below), whose sum is σ = 29445370624. Its totient is φ = 3477795840.

The previous prime is 10781173009. The next prime is 10781173069. The reversal of 10781173056 is 65037118701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899725 + ... + 911628.

Almost surely, 2^10781173056 is an apocalyptic number.

10781173056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10781173056 is an abundant number, since it is smaller than the sum of its proper divisors (18664197568).

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

10781173056 is a wasteful number, since it uses less digits than its factorization.

10781173056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811399 (or 1811389 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

The spelling of 10781173056 in words is "ten billion, seven hundred eighty-one million, one hundred seventy-three thousand, fifty-six".