72201560266543 has 16 divisors (see below), whose sum is σ = 72555483649536. Its totient is φ = 71848359898560.

The previous prime is 72201560266523. The next prime is 72201560266601. The reversal of 72201560266543 is 34566206510227.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72201560266543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72201560266523) 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, 1814499978 + ... + 1814539768.

It is an arithmetic number, because the mean of its divisors is an integer number (4534717728096).

Almost surely, 2^{72201560266543} is an apocalyptic number.

72201560266543 is a deficient number, since it is larger than the sum of its proper divisors (353923382993).

72201560266543 is a wasteful number, since it uses less digits than its factorization.

72201560266543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48654.

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 72201560266543 in words is "seventy-two trillion, two hundred one billion, five hundred sixty million, two hundred sixty-six thousand, five hundred forty-three".