72116520719 has 2 divisors, whose sum is σ = 72116520720. Its totient is φ = 72116520718.

The previous prime is 72116520701. The next prime is 72116520739. The reversal of 72116520719 is 91702561127.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72116520719 - 2¹⁶ = 72116455183 is a prime.

It is a super-2 number, since 2×72116520719² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72116520739) 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 as a sum of consecutive naturals, namely, 36058260359 + 36058260360.

It is an arithmetic number, because the mean of its divisors is an integer number (36058260360).

Almost surely, 2^72116520719 is an apocalyptic number.

72116520719 is a deficient number, since it is larger than the sum of its proper divisors (1).

72116520719 is an equidigital number, since it uses as much as digits as its factorization.

72116520719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 41.

The spelling of 72116520719 in words is "seventy-two billion, one hundred sixteen million, five hundred twenty thousand, seven hundred nineteen".