10857556850 has 48 divisors (see below), whose sum is σ = 23233024896. Its totient is φ = 3697920000.

The previous prime is 10857556849. The next prime is 10857556861. The reversal of 10857556850 is 5865575801.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Curzon 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, 49871 + ... + 155570.

It is an arithmetic number, because the mean of its divisors is an integer number (484021352).

Almost surely, 2^10857556850 is an apocalyptic number.

10857556850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10857556850 is an abundant number, since it is smaller than the sum of its proper divisors (12375468046).

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

10857556850 is a wasteful number, since it uses less digits than its factorization.

10857556850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205611 (or 205606 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 50.

The spelling of 10857556850 in words is "ten billion, eight hundred fifty-seven million, five hundred fifty-six thousand, eight hundred fifty".