20135524510543 has 48 divisors (see below), whose sum is σ = 21986917689600. Its totient is φ = 18431205212160.

The previous prime is 20135524510487. The next prime is 20135524510553. The reversal of 20135524510543 is 34501542553102.

It is not a de Polignac number, because 20135524510543 - 2²⁹ = 20134987639631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20135524510496 and 20135524510505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20135524510553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11255183293 + ... + 11255185081.

It is an arithmetic number, because the mean of its divisors is an integer number (458060785200).

Almost surely, 2^{20135524510543} is an apocalyptic number.

20135524510543 is a deficient number, since it is larger than the sum of its proper divisors (1851393179057).

20135524510543 is a wasteful number, since it uses less digits than its factorization.

20135524510543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092 (or 3079 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 20135524510543 in words is "twenty trillion, one hundred thirty-five billion, five hundred twenty-four million, five hundred ten thousand, five hundred forty-three".