12533383513871 has 8 divisors (see below), whose sum is σ = 13676267349504. Its totient is φ = 11391080567320.

The previous prime is 12533383513831. The next prime is 12533383513879. The reversal of 12533383513871 is 17831538333521.

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 12533383513871 - 2¹⁰ = 12533383512847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12533383513879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145177151 + ... + 145263456.

It is an arithmetic number, because the mean of its divisors is an integer number (1709533418688).

Almost surely, 2^{12533383513871} is an apocalyptic number.

12533383513871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12533383513871 is a deficient number, since it is larger than the sum of its proper divisors (1142883835633).

12533383513871 is a wasteful number, since it uses less digits than its factorization.

12533383513871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290444541.

The product of its digits is 5443200, while the sum is 53.

The spelling of 12533383513871 in words is "twelve trillion, five hundred thirty-three billion, three hundred eighty-three million, five hundred thirteen thousand, eight hundred seventy-one".