5135203753443 has 20 divisors (see below), whose sum is σ = 7672257223048. Its totient is φ = 3422955775680.

The previous prime is 5135203753399. The next prime is 5135203753451. The reversal of 5135203753443 is 3443573025315.

5135203753443 is a `hidden beast` number, since 5 + 1 + 3 + 520 + 37 + 53 + 4 + 43 = 666.

It is not a de Polignac number, because 5135203753443 - 2¹⁷ = 5135203622371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5135203753243) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4209793 + ... + 5290818.

Almost surely, 2^{5135203753443} is an apocalyptic number.

5135203753443 is a deficient number, since it is larger than the sum of its proper divisors (2537053469605).

5135203753443 is an equidigital number, since it uses as much as digits as its factorization.

5135203753443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9507296 (or 9507287 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 45.

Adding to 5135203753443 its reverse (3443573025315), we get a palindrome (8578776778758).

The spelling of 5135203753443 in words is "five trillion, one hundred thirty-five billion, two hundred three million, seven hundred fifty-three thousand, four hundred forty-three".