43013111002001 has 16 divisors (see below), whose sum is σ = 49780653888000. Its totient is φ = 36401281832448.

The previous prime is 43013111001947. The next prime is 43013111002013. The reversal of 43013111002001 is 10020011131034.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43013111002001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43013111001001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54938381 + ... + 55715813.

It is an arithmetic number, because the mean of its divisors is an integer number (3111290868000).

Almost surely, 2^{43013111002001} is an apocalyptic number.

It is an amenable number.

43013111002001 is a deficient number, since it is larger than the sum of its proper divisors (6767542885999).

43013111002001 is a wasteful number, since it uses less digits than its factorization.

43013111002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877568.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 43013111002001 its reverse (10020011131034), we get a palindrome (53033122133035).

The spelling of 43013111002001 in words is "forty-three trillion, thirteen billion, one hundred eleven million, two thousand, one".