12534111633 has 8 divisors (see below), whose sum is σ = 16745375808. Its totient is φ = 8339460944.

The previous prime is 12534111613. The next prime is 12534111637. The reversal of 12534111633 is 33611143521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12534111633 - 2⁸ = 12534111377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12534111633.

It is not an unprimeable number, because it can be changed into a prime (12534111637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4151610 + ... + 4154627.

It is an arithmetic number, because the mean of its divisors is an integer number (2093171976).

Almost surely, 2^12534111633 is an apocalyptic number.

It is an amenable number.

12534111633 is a deficient number, since it is larger than the sum of its proper divisors (4211264175).

12534111633 is an equidigital number, since it uses as much as digits as its factorization.

12534111633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8306743.

The product of its digits is 6480, while the sum is 30.

The spelling of 12534111633 in words is "twelve billion, five hundred thirty-four million, one hundred eleven thousand, six hundred thirty-three".