11235454020440 has 64 divisors (see below), whose sum is σ = 27247982580000. Its totient is φ = 4144877125632.

The previous prime is 11235454020421. The next prime is 11235454020443. The reversal of 11235454020440 is 4402045453211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11235454020440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11235454020443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8770190 + ... + 9969309.

Almost surely, 2^{11235454020440} is an apocalyptic number.

11235454020440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11235454020440 is an abundant number, since it is smaller than the sum of its proper divisors (16012528559560).

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

11235454020440 is a wasteful number, since it uses less digits than its factorization.

11235454020440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18740676 (or 18740672 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 11235454020440 its reverse (4402045453211), we get a palindrome (15637499473651).

The spelling of 11235454020440 in words is "eleven trillion, two hundred thirty-five billion, four hundred fifty-four million, twenty thousand, four hundred forty".