43531013005412 has 6 divisors (see below), whose sum is σ = 76179272759478. Its totient is φ = 21765506502704.

The previous prime is 43531013005409. The next prime is 43531013005453. The reversal of 43531013005412 is 21450031013534.

It can be written as a sum of positive squares in only one way, i.e., 42329389258816 + 1201623746596 = 6506104^2 + 1096186^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5441376625673 + ... + 5441376625680.

It is an arithmetic number, because the mean of its divisors is an integer number (12696545459913).

Almost surely, 2^{43531013005412} is an apocalyptic number.

It is an amenable number.

43531013005412 is a deficient number, since it is larger than the sum of its proper divisors (32648259754066).

43531013005412 is a wasteful number, since it uses less digits than its factorization.

43531013005412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10882753251357 (or 10882753251355 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 43531013005412 its reverse (21450031013534), we get a palindrome (64981044018946).

The spelling of 43531013005412 in words is "forty-three trillion, five hundred thirty-one billion, thirteen million, five thousand, four hundred twelve".