72158522595 has 8 divisors (see below), whose sum is σ = 115453636176. Its totient is φ = 38484545376.

The previous prime is 72158522591. The next prime is 72158522621. The reversal of 72158522595 is 59522585127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72158522595 - 2² = 72158522591 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (72158522591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2405284072 + ... + 2405284101.

It is an arithmetic number, because the mean of its divisors is an integer number (14431704522).

Almost surely, 2^72158522595 is an apocalyptic number.

72158522595 is a deficient number, since it is larger than the sum of its proper divisors (43295113581).

72158522595 is a wasteful number, since it uses less digits than its factorization.

72158522595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4810568181.

The product of its digits is 2520000, while the sum is 51.

The spelling of 72158522595 in words is "seventy-two billion, one hundred fifty-eight million, five hundred twenty-two thousand, five hundred ninety-five".