857112148552 has 32 divisors (see below), whose sum is σ = 1793955667680. Its totient is φ = 380536047360.

The previous prime is 857112148513. The next prime is 857112148567. The reversal of 857112148552 is 255841211758.

It is a junction number, because it is equal to n+sod(n) for n = 857112148496 and 857112148505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113250993 + ... + 113258560.

It is an arithmetic number, because the mean of its divisors is an integer number (56061114615).

Almost surely, 2^857112148552 is an apocalyptic number.

It is an amenable number.

857112148552 is an abundant number, since it is smaller than the sum of its proper divisors (936843519128).

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

857112148552 is a wasteful number, since it uses less digits than its factorization.

857112148552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226509613 (or 226509609 counting only the distinct ones).

The product of its digits is 896000, while the sum is 49.

The spelling of 857112148552 in words is "eight hundred fifty-seven billion, one hundred twelve million, one hundred forty-eight thousand, five hundred fifty-two".