72112460571 has 32 divisors (see below), whose sum is σ = 108211621440. Its totient is φ = 48048564960.

The previous prime is 72112460561. The next prime is 72112460573. The reversal of 72112460571 is 17506421127.

72112460571 is a `hidden beast` number, since 7 + 2 + 1 + 1 + 24 + 60 + 571 = 666.

It is not a de Polignac number, because 72112460571 - 2⁶ = 72112460507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72112460573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4481881 + ... + 4497941.

It is an arithmetic number, because the mean of its divisors is an integer number (3381613170).

Almost surely, 2^72112460571 is an apocalyptic number.

72112460571 is a deficient number, since it is larger than the sum of its proper divisors (36099160869).

72112460571 is an equidigital number, since it uses as much as digits as its factorization.

72112460571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18135 (or 18117 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

Adding to 72112460571 its reverse (17506421127), we get a palindrome (89618881698).

The spelling of 72112460571 in words is "seventy-two billion, one hundred twelve million, four hundred sixty thousand, five hundred seventy-one".