10856299860 has 192 divisors, whose sum is σ = 39388608000. Its totient is φ = 2481397632.

The previous prime is 10856299847. The next prime is 10856299871. The reversal of 10856299860 is 6899265801.

It is a happy number.

10856299860 is a `hidden beast` number, since 1 + 0 + 8 + 5 + 629 + 9 + 8 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 10856299797 and 10856299806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 155914 + ... + 214526.

It is an arithmetic number, because the mean of its divisors is an integer number (205149000).

Almost surely, 2^10856299860 is an apocalyptic number.

10856299860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10856299860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19694304000).

10856299860 is an abundant number, since it is smaller than the sum of its proper divisors (28532308140).

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

10856299860 is a wasteful number, since it uses less digits than its factorization.

10856299860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58652 (or 58630 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 10856299860 in words is "ten billion, eight hundred fifty-six million, two hundred ninety-nine thousand, eight hundred sixty".