113521650 has 96 divisors (see below), whose sum is σ = 310480128. Its totient is φ = 27220800.

The previous prime is 113521633. The next prime is 113521693. The reversal of 113521650 is 56125311.

It is a self number, because there is not a number n which added to its sum of digits gives 113521650.

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, 176229 + ... + 176871.

It is an arithmetic number, because the mean of its divisors is an integer number (3234168).

Almost surely, 2^113521650 is an apocalyptic number.

113521650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113521650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155240064).

113521650 is an abundant number, since it is smaller than the sum of its proper divisors (196958478).

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

113521650 is a wasteful number, since it uses less digits than its factorization.

113521650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 113521650 is about 10654.6539127275. The cubic root of 113521650 is about 484.2016127248.

Adding to 113521650 its reverse (56125311), we get a palindrome (169646961).

The spelling of 113521650 in words is "one hundred thirteen million, five hundred twenty-one thousand, six hundred fifty".