1111005342543 has 16 divisors (see below), whose sum is σ = 1559336889600. Its totient is φ = 701673569280.

The previous prime is 1111005342533. The next prime is 1111005342583. The reversal of 1111005342543 is 3452435001111.

It is not a de Polignac number, because 1111005342543 - 2⁸ = 1111005342287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111005342543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111005342533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3198358 + ... + 3528668.

It is an arithmetic number, because the mean of its divisors is an integer number (97458555600).

Almost surely, 2^{1111005342543} is an apocalyptic number.

1111005342543 is a deficient number, since it is larger than the sum of its proper divisors (448331547057).

1111005342543 is a wasteful number, since it uses less digits than its factorization.

1111005342543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389342.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 1111005342543 in words is "one trillion, one hundred eleven billion, five million, three hundred forty-two thousand, five hundred forty-three".