10856982780 has 72 divisors (see below), whose sum is σ = 37637544672. Its totient is φ = 2481595776.

The previous prime is 10856982727. The next prime is 10856982809. The reversal of 10856982780 is 8728965801.

10856982780 is a `hidden beast` number, since 1 + 0 + 8 + 569 + 8 + 2 + 78 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4307067 + ... + 4309586.

It is an arithmetic number, because the mean of its divisors is an integer number (522743676).

Almost surely, 2^10856982780 is an apocalyptic number.

10856982780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10856982780 is an abundant number, since it is smaller than the sum of its proper divisors (26780561892).

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

10856982780 is a wasteful number, since it uses less digits than its factorization.

10856982780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8616675 (or 8616670 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The spelling of 10856982780 in words is "ten billion, eight hundred fifty-six million, nine hundred eighty-two thousand, seven hundred eighty".