1304511135043 has 4 divisors (see below), whose sum is σ = 1304517740968. Its totient is φ = 1304504529120.

The previous prime is 1304511135001. The next prime is 1304511135047. The reversal of 1304511135043 is 3405311154031.

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 1304511135043 - 2²¹ = 1304509037891 is a prime.

It is a super-2 number, since 2×1304511135043² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1304511134996 and 1304511135014.

It is not an unprimeable number, because it can be changed into a prime (1304511135047) 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, 2997321 + ... + 3404842.

It is an arithmetic number, because the mean of its divisors is an integer number (326129435242).

Almost surely, 2^{1304511135043} is an apocalyptic number.

1304511135043 is a deficient number, since it is larger than the sum of its proper divisors (6605925).

1304511135043 is an equidigital number, since it uses as much as digits as its factorization.

1304511135043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6605924.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 1304511135043 its reverse (3405311154031), we get a palindrome (4709822289074).

The spelling of 1304511135043 in words is "one trillion, three hundred four billion, five hundred eleven million, one hundred thirty-five thousand, forty-three".