11421142044400 has 60 divisors (see below), whose sum is σ = 29933775024264. Its totient is φ = 4153142560000.

The previous prime is 11421142044397. The next prime is 11421142044409. The reversal of 11421142044400 is 444024112411.

It is a super-2 number, since 2×11421142044400² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421142044409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1297852651 + ... + 1297861450.

Almost surely, 2^{11421142044400} is an apocalyptic number.

11421142044400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11421142044400 is an abundant number, since it is smaller than the sum of its proper divisors (18512632979864).

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

11421142044400 is a wasteful number, since it uses less digits than its factorization.

11421142044400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595714130 (or 2595714119 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 11421142044400 its reverse (444024112411), we get a palindrome (11865166156811).

The spelling of 11421142044400 in words is "eleven trillion, four hundred twenty-one billion, one hundred forty-two million, forty-four thousand, four hundred".