1513500340543 has 4 divisors (see below), whose sum is σ = 1513503435688. Its totient is φ = 1513497245400.

The previous prime is 1513500340537. The next prime is 1513500340553. The reversal of 1513500340543 is 3450430053151.

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 1513500340543 - 2⁹ = 1513500340031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1513500340499 and 1513500340508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513500340553) 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, 634521 + ... + 1851922.

It is an arithmetic number, because the mean of its divisors is an integer number (378375858922).

Almost surely, 2^{1513500340543} is an apocalyptic number.

1513500340543 is a deficient number, since it is larger than the sum of its proper divisors (3095145).

1513500340543 is an equidigital number, since it uses as much as digits as its factorization.

1513500340543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095144.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 1513500340543 its reverse (3450430053151), we get a palindrome (4963930393694).

The spelling of 1513500340543 in words is "one trillion, five hundred thirteen billion, five hundred million, three hundred forty thousand, five hundred forty-three".