1204054043543 has 4 divisors (see below), whose sum is σ = 1296673585368. Its totient is φ = 1111434501720.

The previous prime is 1204054043503. The next prime is 1204054043557. The reversal of 1204054043543 is 3453404504021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1204054043543 - 2²⁰ = 1204052994967 is a prime.

It is a super-2 number, since 2×1204054043543² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204054043503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46309770893 + ... + 46309770918.

It is an arithmetic number, because the mean of its divisors is an integer number (324168396342).

Almost surely, 2^{1204054043543} is an apocalyptic number.

1204054043543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1204054043543 is a deficient number, since it is larger than the sum of its proper divisors (92619541825).

1204054043543 is an equidigital number, since it uses as much as digits as its factorization.

1204054043543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92619541824.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 1204054043543 its reverse (3453404504021), we get a palindrome (4657458547564).

The spelling of 1204054043543 in words is "one trillion, two hundred four billion, fifty-four million, forty-three thousand, five hundred forty-three".