11405450021304 has 32 divisors (see below), whose sum is σ = 28684365333120. Its totient is φ = 3779051303136.

The previous prime is 11405450021299. The next prime is 11405450021309. The reversal of 11405450021304 is 40312005450411.

It is an interprime number because it is at equal distance from previous prime (11405450021299) and next prime (11405450021309).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11405450021309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1422831574 + ... + 1422839589.

It is an arithmetic number, because the mean of its divisors is an integer number (896386416660).

Almost surely, 2^{11405450021304} is an apocalyptic number.

It is an amenable number.

11405450021304 is an abundant number, since it is smaller than the sum of its proper divisors (17278915311816).

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

11405450021304 is a wasteful number, since it uses less digits than its factorization.

11405450021304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845671339 (or 2845671335 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 11405450021304 its reverse (40312005450411), we get a palindrome (51717455471715).

The spelling of 11405450021304 in words is "eleven trillion, four hundred five billion, four hundred fifty million, twenty-one thousand, three hundred four".