11301203020500 has 144 divisors (see below), whose sum is σ = 35684162042256. Its totient is φ = 3010895596800.

The previous prime is 11301203020493. The next prime is 11301203020517. The reversal of 11301203020500 is 502030210311.

11301203020500 is a `hidden beast` number, since 1 + 13 + 0 + 120 + 30 + 2 + 0 + 500 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 33405603984 + 11267797416516 = 182772^2 + 3356754^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent 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 47 ways as a sum of consecutive naturals, for example, 3769654 + ... + 6067346.

It is an arithmetic number, because the mean of its divisors is an integer number (247806680849).

Almost surely, 2^{11301203020500} is an apocalyptic number.

11301203020500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11301203020500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17842081021128).

11301203020500 is an abundant number, since it is smaller than the sum of its proper divisors (24382959021756).

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

11301203020500 is a wasteful number, since it uses less digits than its factorization.

11301203020500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298811 (or 2298796 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 11301203020500 its reverse (502030210311), we get a palindrome (11803233230811).

The spelling of 11301203020500 in words is "eleven trillion, three hundred one billion, two hundred three million, twenty thousand, five hundred".