11443304661380 has 24 divisors (see below), whose sum is σ = 24032291879232. Its totient is φ = 4577064323552.

The previous prime is 11443304661379. The next prime is 11443304661407. The reversal of 11443304661380 is 8316640334411.

It is a super-2 number, since 2×11443304661380² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15731762 + ... + 16443081.

It is an arithmetic number, because the mean of its divisors is an integer number (1001345494968).

Almost surely, 2^{11443304661380} is an apocalyptic number.

11443304661380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11443304661380 is an abundant number, since it is smaller than the sum of its proper divisors (12588987217852).

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

11443304661380 is a wasteful number, since it uses less digits than its factorization.

11443304661380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32192635 (or 32192633 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

Adding to 11443304661380 its reverse (8316640334411), we get a palindrome (19759944995791).

The spelling of 11443304661380 in words is "eleven trillion, four hundred forty-three billion, three hundred four million, six hundred sixty-one thousand, three hundred eighty".