11313203202450 has 144 divisors (see below), whose sum is σ = 30751550498760. Its totient is φ = 2981533224960.

The previous prime is 11313203202449. The next prime is 11313203202533. The reversal of 11313203202450 is 5420230231311.

11313203202450 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 3 + 2 + 0 + 3 + 202 + 450 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 1006464413529 + 10306738788921 = 1003227^2 + 3210411^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 30765072 + ... + 31130628.

Almost surely, 2^{11313203202450} is an apocalyptic number.

11313203202450 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 11313203202450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15375775249380).

11313203202450 is an abundant number, since it is smaller than the sum of its proper divisors (19438347296310).

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

11313203202450 is a wasteful number, since it uses less digits than its factorization.

11313203202450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366381 (or 366373 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 11313203202450 its reverse (5420230231311), we get a palindrome (16733433433761).

The spelling of 11313203202450 in words is "eleven trillion, three hundred thirteen billion, two hundred three million, two hundred two thousand, four hundred fifty".