20315541111050 has 48 divisors (see below), whose sum is σ = 38057333302752. Its totient is φ = 8068267483200.

The previous prime is 20315541111029. The next prime is 20315541111067. The reversal of 20315541111050 is 5011114551302.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 1327985 + ... + 6511115.

It is an arithmetic number, because the mean of its divisors is an integer number (792861110474).

Almost surely, 2^{20315541111050} is an apocalyptic number.

20315541111050 is a deficient number, since it is larger than the sum of its proper divisors (17741792191702).

20315541111050 is a wasteful number, since it uses less digits than its factorization.

20315541111050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5183703 (or 5183698 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 29.

Adding to 20315541111050 its reverse (5011114551302), we get a palindrome (25326655662352).

The spelling of 20315541111050 in words is "twenty trillion, three hundred fifteen billion, five hundred forty-one million, one hundred eleven thousand, fifty".