11013444003555 has 64 divisors (see below), whose sum is σ = 22475096570880. Its totient is φ = 5012537789952.

The previous prime is 11013444003521. The next prime is 11013444003563. The reversal of 11013444003555 is 55530044431011.

11013444003555 is a `hidden beast` number, since 1 + 1 + 0 + 134 + 440 + 0 + 35 + 55 = 666.

It is not a de Polignac number, because 11013444003555 - 2¹⁰ = 11013444002531 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25456054 + ... + 25885083.

It is an arithmetic number, because the mean of its divisors is an integer number (351173383920).

Almost surely, 2^{11013444003555} is an apocalyptic number.

11013444003555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11013444003555 is an abundant number, since it is smaller than the sum of its proper divisors (11461652567325).

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

11013444003555 is a wasteful number, since it uses less digits than its factorization.

11013444003555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51341385 (or 51341379 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 11013444003555 its reverse (55530044431011), we get a palindrome (66543488434566).

The spelling of 11013444003555 in words is "eleven trillion, thirteen billion, four hundred forty-four million, three thousand, five hundred fifty-five".