12533552535 has 32 divisors (see below), whose sum is σ = 23132708352. Its totient is φ = 5676071040.

The previous prime is 12533552513. The next prime is 12533552567. The reversal of 12533552535 is 53525533521.

It is not a de Polignac number, because 12533552535 - 2⁵ = 12533552503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12533552493 and 12533552502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546556 + ... + 569025.

It is an arithmetic number, because the mean of its divisors is an integer number (722897136).

Almost surely, 2^12533552535 is an apocalyptic number.

12533552535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12533552535 is a deficient number, since it is larger than the sum of its proper divisors (10599155817).

12533552535 is a wasteful number, since it uses less digits than its factorization.

12533552535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115703.

The product of its digits is 337500, while the sum is 39.

The spelling of 12533552535 in words is "twelve billion, five hundred thirty-three million, five hundred fifty-two thousand, five hundred thirty-five".