11821503579050 has 96 divisors (see below), whose sum is σ = 24871627756800. Its totient is φ = 4140864224000.

The previous prime is 11821503579037. The next prime is 11821503579077. The reversal of 11821503579050 is 5097530512811.

It is a junction number, because it is equal to n+sod(n) for n = 11821503578986 and 11821503579004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6014636 + ... + 7734264.

It is an arithmetic number, because the mean of its divisors is an integer number (259079455800).

Almost surely, 2^{11821503579050} is an apocalyptic number.

11821503579050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11821503579050 is an abundant number, since it is smaller than the sum of its proper divisors (13050124177750).

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

11821503579050 is a wasteful number, since it uses less digits than its factorization.

11821503579050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720112 (or 1720107 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 47.

The spelling of 11821503579050 in words is "eleven trillion, eight hundred twenty-one billion, five hundred three million, five hundred seventy-nine thousand, fifty".