11011421054320 has 40 divisors (see below), whose sum is σ = 25609144722336. Its totient is φ = 4403262482688.

The previous prime is 11011421054303. The next prime is 11011421054321. The reversal of 11011421054320 is 2345012411011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-4 number, since 4×11011421054320⁴ (a number of 53 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011421054321) 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, 20133772 + ... + 20673451.

Almost surely, 2^{11011421054320} is an apocalyptic number.

11011421054320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011421054320 is an abundant number, since it is smaller than the sum of its proper divisors (14597723668016).

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

11011421054320 is a wasteful number, since it uses less digits than its factorization.

11011421054320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40810609 (or 40810603 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 11011421054320 its reverse (2345012411011), we get a palindrome (13356433465331).

The spelling of 11011421054320 in words is "eleven trillion, eleven billion, four hundred twenty-one million, fifty-four thousand, three hundred twenty".