11117904396543 has 16 divisors (see below), whose sum is σ = 18823965116160. Its totient is φ = 6353088226488.

The previous prime is 11117904396523. The next prime is 11117904396553. The reversal of 11117904396543 is 34569340971111.

It is a happy number.

11117904396543 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 7 + 9 + 0 + 4 + 3 + 96 + 543 = 666.

It is not a de Polignac number, because 11117904396543 - 2¹⁶ = 11117904331007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11117904396543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11117904396523) 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 15 ways as a sum of consecutive naturals, for example, 29412445305 + ... + 29412445682.

It is an arithmetic number, because the mean of its divisors is an integer number (1176497819760).

Almost surely, 2^{11117904396543} is an apocalyptic number.

11117904396543 is a deficient number, since it is larger than the sum of its proper divisors (7706060719617).

11117904396543 is an equidigital number, since it uses as much as digits as its factorization.

11117904396543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58824891003 (or 58824890997 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 11117904396543 in words is "eleven trillion, one hundred seventeen billion, nine hundred four million, three hundred ninety-six thousand, five hundred forty-three".