72216741133 has 2 divisors, whose sum is σ = 72216741134. Its totient is φ = 72216741132.

The previous prime is 72216741029. The next prime is 72216741193. The reversal of 72216741133 is 33114761227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71902813609 + 313927524 = 268147^2 + 17718^2 .

It is a cyclic number.

It is not a de Polignac number, because 72216741133 - 2¹⁷ = 72216610061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72216741092 and 72216741101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72216741193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36108370566 + 36108370567.

It is an arithmetic number, because the mean of its divisors is an integer number (36108370567).

Almost surely, 2^72216741133 is an apocalyptic number.

It is an amenable number.

72216741133 is a deficient number, since it is larger than the sum of its proper divisors (1).

72216741133 is an equidigital number, since it uses as much as digits as its factorization.

72216741133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The spelling of 72216741133 in words is "seventy-two billion, two hundred sixteen million, seven hundred forty-one thousand, one hundred thirty-three".