72211184441 has 16 divisors (see below), whose sum is σ = 80710148736. Its totient is φ = 64035120000.

The previous prime is 72211184417. The next prime is 72211184443. The reversal of 72211184441 is 14448111227.

It is a cyclic number.

It is not a de Polignac number, because 72211184441 - 2⁶ = 72211184377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72211184443) 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, 4787051 + ... + 4802111.

It is an arithmetic number, because the mean of its divisors is an integer number (5044384296).

Almost surely, 2^72211184441 is an apocalyptic number.

It is an amenable number.

72211184441 is a deficient number, since it is larger than the sum of its proper divisors (8498964295).

72211184441 is a wasteful number, since it uses less digits than its factorization.

72211184441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25744.

The product of its digits is 14336, while the sum is 35.

Adding to 72211184441 its reverse (14448111227), we get a palindrome (86659295668).

It can be divided in two parts, 72211 and 184441, that added together give a palindrome (256652).

The spelling of 72211184441 in words is "seventy-two billion, two hundred eleven million, one hundred eighty-four thousand, four hundred forty-one".