40721112710197 has 2 divisors, whose sum is σ = 40721112710198. Its totient is φ = 40721112710196.

The previous prime is 40721112710167. The next prime is 40721112710233. The reversal of 40721112710197 is 79101721112704.

40721112710197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30350304010321 + 10370808699876 = 5509111^2 + 3220374^2 .

It is a cyclic number.

It is not a de Polignac number, because 40721112710197 - 2¹⁵ = 40721112677429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40721112710167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20360556355098 + 20360556355099.

It is an arithmetic number, because the mean of its divisors is an integer number (20360556355099).

Almost surely, 2^{40721112710197} is an apocalyptic number.

It is an amenable number.

40721112710197 is a deficient number, since it is larger than the sum of its proper divisors (1).

40721112710197 is an equidigital number, since it uses as much as digits as its factorization.

40721112710197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 43.

The spelling of 40721112710197 in words is "forty trillion, seven hundred twenty-one billion, one hundred twelve million, seven hundred ten thousand, one hundred ninety-seven".