72112033211 has 8 divisors (see below), whose sum is σ = 75910148880. Its totient is φ = 68314192128.

The previous prime is 72112033207. The next prime is 72112033261. The reversal of 72112033211 is 11233021127.

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 72112033211 - 2² = 72112033207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72112033261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679715 + ... + 778611.

It is an arithmetic number, because the mean of its divisors is an integer number (9488768610).

Almost surely, 2^72112033211 is an apocalyptic number.

72112033211 is a deficient number, since it is larger than the sum of its proper divisors (3798115669).

72112033211 is a wasteful number, since it uses less digits than its factorization.

72112033211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137293.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 72112033211 its reverse (11233021127), we get a palindrome (83345054338).

The spelling of 72112033211 in words is "seventy-two billion, one hundred twelve million, thirty-three thousand, two hundred eleven".