11111031445356 has 36 divisors (see below), whose sum is σ = 28136105138232. Its totient is φ = 3697098674304.

The previous prime is 11111031445259. The next prime is 11111031445387. The reversal of 11111031445356 is 65354413011111.

11111031445356 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 103 + 14 + 4 + 535 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11111031445356.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 274082541 + ... + 274123076.

It is an arithmetic number, because the mean of its divisors is an integer number (781558476062).

Almost surely, 2^{11111031445356} is an apocalyptic number.

It is an amenable number.

11111031445356 is an abundant number, since it is smaller than the sum of its proper divisors (17025073692876).

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

11111031445356 is a wasteful number, since it uses less digits than its factorization.

11111031445356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548206190 (or 548206185 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

Adding to 11111031445356 its reverse (65354413011111), we get a palindrome (76465444456467).

The spelling of 11111031445356 in words is "eleven trillion, one hundred eleven billion, thirty-one million, four hundred forty-five thousand, three hundred fifty-six".