72216325265 has 16 divisors (see below), whose sum is σ = 100152339840. Its totient is φ = 48963361920.

The previous prime is 72216325253. The next prime is 72216325271. The reversal of 72216325265 is 56252361227.

It is not a de Polignac number, because 72216325265 - 2¹² = 72216321169 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11588591 + ... + 11594820.

It is an arithmetic number, because the mean of its divisors is an integer number (6259521240).

Almost surely, 2^72216325265 is an apocalyptic number.

It is an amenable number.

72216325265 is a deficient number, since it is larger than the sum of its proper divisors (27936014575).

72216325265 is a wasteful number, since it uses less digits than its factorization.

72216325265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23183512.

The product of its digits is 302400, while the sum is 41.

The spelling of 72216325265 in words is "seventy-two billion, two hundred sixteen million, three hundred twenty-five thousand, two hundred sixty-five".