3243112155525 has 96 divisors (see below), whose sum is σ = 5890727433600. Its totient is φ = 1561337856000.

The previous prime is 3243112155499. The next prime is 3243112155529. The reversal of 3243112155525 is 5255512113423.

It is not a de Polignac number, because 3243112155525 - 2¹⁰ = 3243112154501 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243112155529) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 86121901 + ... + 86159549.

It is an arithmetic number, because the mean of its divisors is an integer number (61361744100).

Almost surely, 2^{3243112155525} is an apocalyptic number.

It is an amenable number.

3243112155525 is a deficient number, since it is larger than the sum of its proper divisors (2647615278075).

3243112155525 is a wasteful number, since it uses less digits than its factorization.

3243112155525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38407 (or 38402 counting only the distinct ones).

The product of its digits is 180000, while the sum is 39.

Adding to 3243112155525 its reverse (5255512113423), we get a palindrome (8498624268948).

The spelling of 3243112155525 in words is "three trillion, two hundred forty-three billion, one hundred twelve million, one hundred fifty-five thousand, five hundred twenty-five".