201113611050 has 96 divisors (see below), whose sum is σ = 544863697920. Its totient is φ = 48686718400.

The previous prime is 201113611033. The next prime is 201113611091. The reversal of 201113611050 is 50116311102.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1101589 + ... + 1271111.

It is an arithmetic number, because the mean of its divisors is an integer number (5675663520).

Almost surely, 2^201113611050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201113611050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272431848960).

201113611050 is an abundant number, since it is smaller than the sum of its proper divisors (343750086870).

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

201113611050 is a wasteful number, since it uses less digits than its factorization.

201113611050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170268 (or 170263 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

Adding to 201113611050 its reverse (50116311102), we get a palindrome (251229922152).

The spelling of 201113611050 in words is "two hundred one billion, one hundred thirteen million, six hundred eleven thousand, fifty".