191055283850 has 48 divisors (see below), whose sum is σ = 361776844800. Its totient is φ = 75045559680.

The previous prime is 191055283849. The next prime is 191055283871. The reversal of 191055283850 is 58382550191.

It is a junction number, because it is equal to n+sod(n) for n = 191055283795 and 191055283804.

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, 2729591 + ... + 2798709.

It is an arithmetic number, because the mean of its divisors is an integer number (7537017600).

Almost surely, 2^191055283850 is an apocalyptic number.

191055283850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

191055283850 is a deficient number, since it is larger than the sum of its proper divisors (170721560950).

191055283850 is a wasteful number, since it uses less digits than its factorization.

191055283850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70127 (or 70122 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 47.

The spelling of 191055283850 in words is "one hundred ninety-one billion, fifty-five million, two hundred eighty-three thousand, eight hundred fifty".