112818219171850 has 12 divisors (see below), whose sum is σ = 209841887659734. Its totient is φ = 45127287668720.

The previous prime is 112818219171797. The next prime is 112818219171857. The reversal of 112818219171850 is 58171912818211.

It can be written as a sum of positive squares in 3 ways, for example, as 100319314498209 + 12498904673641 = 10015953^2 + 3535379^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112818219171791 and 112818219171800.

It is not an unprimeable number, because it can be changed into a prime (112818219171857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1128182191669 + ... + 1128182191768.

Almost surely, 2^{112818219171850} is an apocalyptic number.

112818219171850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112818219171850 is a deficient number, since it is larger than the sum of its proper divisors (97023668487884).

112818219171850 is a wasteful number, since it uses less digits than its factorization.

112818219171850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256364383449 (or 2256364383444 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 55.

The spelling of 112818219171850 in words is "one hundred twelve trillion, eight hundred eighteen billion, two hundred nineteen million, one hundred seventy-one thousand, eight hundred fifty".