72844850131211 has 2 divisors, whose sum is σ = 72844850131212. Its totient is φ = 72844850131210.

The previous prime is 72844850131127. The next prime is 72844850131271. The reversal of 72844850131211 is 11213105844827.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72844850131211 is a prime.

It is not a weakly prime, because it can be changed into another prime (72844850131271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36422425065605 + 36422425065606.

It is an arithmetic number, because the mean of its divisors is an integer number (36422425065606).

Almost surely, 2^{72844850131211} is an apocalyptic number.

72844850131211 is a deficient number, since it is larger than the sum of its proper divisors (1).

72844850131211 is an equidigital number, since it uses as much as digits as its factorization.

72844850131211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 430080, while the sum is 47.

The spelling of 72844850131211 in words is "seventy-two trillion, eight hundred forty-four billion, eight hundred fifty million, one hundred thirty-one thousand, two hundred eleven".