11403204021420 has 48 divisors (see below), whose sum is σ = 31929427756800. Its totient is φ = 3040810929856.

The previous prime is 11403204021389. The next prime is 11403204021427. The reversal of 11403204021420 is 2412040230411.

It is not an unprimeable number, because it can be changed into a prime (11403204021427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2987881 + ... + 5633279.

It is an arithmetic number, because the mean of its divisors is an integer number (665196411600).

Almost surely, 2^{11403204021420} is an apocalyptic number.

11403204021420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11403204021420 is an abundant number, since it is smaller than the sum of its proper divisors (20526223735380).

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

11403204021420 is a wasteful number, since it uses less digits than its factorization.

11403204021420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717254 (or 2717252 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 11403204021420 its reverse (2412040230411), we get a palindrome (13815244251831).

The spelling of 11403204021420 in words is "eleven trillion, four hundred three billion, two hundred four million, twenty-one thousand, four hundred twenty".