72303515536601 has 16 divisors (see below), whose sum is σ = 76066511297664. Its totient is φ = 68593744162944.

The previous prime is 72303515536591. The next prime is 72303515536627. The reversal of 72303515536601 is 10663551530327.

It is a cyclic number.

It is not a de Polignac number, because 72303515536601 - 2⁶ = 72303515536537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72303515536001) 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, 16327460 + ... + 20277893.

It is an arithmetic number, because the mean of its divisors is an integer number (4754156956104).

Almost surely, 2^{72303515536601} is an apocalyptic number.

It is an amenable number.

72303515536601 is a deficient number, since it is larger than the sum of its proper divisors (3762995761063).

72303515536601 is a wasteful number, since it uses less digits than its factorization.

72303515536601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36606080.

The product of its (nonzero) digits is 1701000, while the sum is 47.

The spelling of 72303515536601 in words is "seventy-two trillion, three hundred three billion, five hundred fifteen million, five hundred thirty-six thousand, six hundred one".