11512214523300 has 144 divisors (see below), whose sum is σ = 33422325112064. Its totient is φ = 3059456400000.

The previous prime is 11512214523169. The next prime is 11512214523301. The reversal of 11512214523300 is 332541221511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (11512214523301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 271167075 + ... + 271209525.

Almost surely, 2^{11512214523300} is an apocalyptic number.

11512214523300 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 11512214523300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16711162556032).

11512214523300 is an abundant number, since it is smaller than the sum of its proper divisors (21910110588764).

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

11512214523300 is a wasteful number, since it uses less digits than its factorization.

11512214523300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45530 (or 45523 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 11512214523300 its reverse (332541221511), we get a palindrome (11844755744811).

The spelling of 11512214523300 in words is "eleven trillion, five hundred twelve billion, two hundred fourteen million, five hundred twenty-three thousand, three hundred".