10215935856 has 120 divisors (see below), whose sum is σ = 32964303840. Its totient is φ = 2892976128.

The previous prime is 10215935837. The next prime is 10215935861. The reversal of 10215935856 is 65853951201.

10215935856 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 593 + 5 + 8 + 56 = 666.

10215935856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 69060 + ... + 158748.

It is an arithmetic number, because the mean of its divisors is an integer number (274702532).

Almost surely, 2^10215935856 is an apocalyptic number.

10215935856 is a gapful number since it is divisible by the number (16) 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 10215935856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16482151920).

10215935856 is an abundant number, since it is smaller than the sum of its proper divisors (22748367984).

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

10215935856 is a wasteful number, since it uses less digits than its factorization.

10215935856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89823 (or 89814 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The spelling of 10215935856 in words is "ten billion, two hundred fifteen million, nine hundred thirty-five thousand, eight hundred fifty-six".