10856170520850 has 96 divisors (see below), whose sum is σ = 28779098269824. Its totient is φ = 2701570854400.

The previous prime is 10856170520843. The next prime is 10856170520857. The reversal of 10856170520850 is 5802507165801.

It is an interprime number because it is at equal distance from previous prime (10856170520843) and next prime (10856170520857).

It is a self number, because there is not a number n which added to its sum of digits gives 10856170520850.

It is not an unprimeable number, because it can be changed into a prime (10856170520857) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38233137 + ... + 38516036.

It is an arithmetic number, because the mean of its divisors is an integer number (299782273644).

Almost surely, 2^{10856170520850} is an apocalyptic number.

10856170520850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10856170520850 is an abundant number, since it is smaller than the sum of its proper divisors (17922927748974).

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

10856170520850 is a wasteful number, since it uses less digits than its factorization.

10856170520850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76749252 (or 76749247 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 48.

The spelling of 10856170520850 in words is "ten trillion, eight hundred fifty-six billion, one hundred seventy million, five hundred twenty thousand, eight hundred fifty".