72215927111 has 8 divisors (see below), whose sum is σ = 76021287600. Its totient is φ = 68411018880.

The previous prime is 72215927093. The next prime is 72215927143. The reversal of 72215927111 is 11172951227.

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

It is a cyclic number.

It is not a de Polignac number, because 72215927111 - 2²² = 72211732807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72215927171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243581 + ... + 451401.

It is an arithmetic number, because the mean of its divisors is an integer number (9502660950).

Almost surely, 2^72215927111 is an apocalyptic number.

72215927111 is a deficient number, since it is larger than the sum of its proper divisors (3805360489).

72215927111 is a wasteful number, since it uses less digits than its factorization.

72215927111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226129.

The product of its digits is 17640, while the sum is 38.

The spelling of 72215927111 in words is "seventy-two billion, two hundred fifteen million, nine hundred twenty-seven thousand, one hundred eleven".