15640474600001 has 16 divisors (see below), whose sum is σ = 15944968488960. Its totient is φ = 15338080140240.

The previous prime is 15640474599961. The next prime is 15640474600013. The reversal of 15640474600001 is 10000647404651.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15640474600001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15640474600031) 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, 293796056 + ... + 293849286.

It is an arithmetic number, because the mean of its divisors is an integer number (996560530560).

Almost surely, 2^{15640474600001} is an apocalyptic number.

It is an amenable number.

15640474600001 is a deficient number, since it is larger than the sum of its proper divisors (304493888959).

15640474600001 is a wasteful number, since it uses less digits than its factorization.

15640474600001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72844.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 15640474600001 in words is "fifteen trillion, six hundred forty billion, four hundred seventy-four million, six hundred thousand, one".