11420203342400 has 168 divisors, whose sum is σ = 30172901417856. Its totient is φ = 4238815436800.

The previous prime is 11420203342399. The next prime is 11420203342403. The reversal of 11420203342400 is 424330202411.

It is a self number, because there is not a number n which added to its sum of digits gives 11420203342400.

It is not an unprimeable number, because it can be changed into a prime (11420203342403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1025564 + ... + 4887963.

Almost surely, 2^{11420203342400} is an apocalyptic number.

11420203342400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11420203342400 is an abundant number, since it is smaller than the sum of its proper divisors (18752698075456).

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

11420203342400 is a wasteful number, since it uses less digits than its factorization.

11420203342400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5913637 (or 5913622 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 11420203342400 its reverse (424330202411), we get a palindrome (11844533544811).

The spelling of 11420203342400 in words is "eleven trillion, four hundred twenty billion, two hundred three million, three hundred forty-two thousand, four hundred".