43523132552135 has 16 divisors (see below), whose sum is σ = 52305531688800. Its totient is φ = 34766663836800.

The previous prime is 43523132552129. The next prime is 43523132552143. The reversal of 43523132552135 is 53125523132534.

It is not a de Polignac number, because 43523132552135 - 2²² = 43523128357831 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56923484 + ... + 57683006.

It is an arithmetic number, because the mean of its divisors is an integer number (3269095730550).

Almost surely, 2^{43523132552135} is an apocalyptic number.

43523132552135 is a deficient number, since it is larger than the sum of its proper divisors (8782399136665).

43523132552135 is a wasteful number, since it uses less digits than its factorization.

43523132552135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776578.

The product of its digits is 1620000, while the sum is 44.

Adding to 43523132552135 its reverse (53125523132534), we get a palindrome (96648655684669).

The spelling of 43523132552135 in words is "forty-three trillion, five hundred twenty-three billion, one hundred thirty-two million, five hundred fifty-two thousand, one hundred thirty-five".