11043115351320 has 128 divisors (see below), whose sum is σ = 36908024932800. Its totient is φ = 2624570640384.

The previous prime is 11043115351319. The next prime is 11043115351327. The reversal of 11043115351320 is 2315351134011.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043115351327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122005107 + ... + 122095586.

Almost surely, 2^{11043115351320} is an apocalyptic number.

11043115351320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11043115351320 is an abundant number, since it is smaller than the sum of its proper divisors (25864909581480).

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

11043115351320 is a wasteful number, since it uses less digits than its factorization.

11043115351320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244100749 (or 244100745 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 11043115351320 its reverse (2315351134011), we get a palindrome (13358466485331).

The spelling of 11043115351320 in words is "eleven trillion, forty-three billion, one hundred fifteen million, three hundred fifty-one thousand, three hundred twenty".