72110646271 has 2 divisors, whose sum is σ = 72110646272. Its totient is φ = 72110646270.

The previous prime is 72110646269. The next prime is 72110646379. The reversal of 72110646271 is 17264601127.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72110646271 - 2¹ = 72110646269 is a prime.

Together with 72110646269, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 72110646271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72110646221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36055323135 + 36055323136.

It is an arithmetic number, because the mean of its divisors is an integer number (36055323136).

Almost surely, 2^72110646271 is an apocalyptic number.

72110646271 is a deficient number, since it is larger than the sum of its proper divisors (1).

72110646271 is an equidigital number, since it uses as much as digits as its factorization.

72110646271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 72110646271 in words is "seventy-two billion, one hundred ten million, six hundred forty-six thousand, two hundred seventy-one".