11213404354540 has 12 divisors (see below), whose sum is σ = 23548149144576. Its totient is φ = 4485361741808.

The previous prime is 11213404354487. The next prime is 11213404354547. The reversal of 11213404354540 is 4545340431211.

It is a happy number.

It is a super-2 number, since 2×11213404354540² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11213404354540.

It is not an unprimeable number, because it can be changed into a prime (11213404354547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280335108844 + ... + 280335108883.

It is an arithmetic number, because the mean of its divisors is an integer number (1962345762048).

Almost surely, 2^{11213404354540} is an apocalyptic number.

11213404354540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11213404354540 is an abundant number, since it is smaller than the sum of its proper divisors (12334744790036).

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

11213404354540 is a wasteful number, since it uses less digits than its factorization.

11213404354540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560670217736 (or 560670217734 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 11213404354540 its reverse (4545340431211), we get a palindrome (15758744785751).

The spelling of 11213404354540 in words is "eleven trillion, two hundred thirteen billion, four hundred four million, three hundred fifty-four thousand, five hundred forty".