40522111787471 has 2 divisors, whose sum is σ = 40522111787472. Its totient is φ = 40522111787470.

The previous prime is 40522111787431. The next prime is 40522111787527. The reversal of 40522111787471 is 17478711122504.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40522111787471 is a prime.

It is a super-3 number, since 3×40522111787471³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40522111787431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20261055893735 + 20261055893736.

It is an arithmetic number, because the mean of its divisors is an integer number (20261055893736).

Almost surely, 2^{40522111787471} is an apocalyptic number.

40522111787471 is a deficient number, since it is larger than the sum of its proper divisors (1).

40522111787471 is an equidigital number, since it uses as much as digits as its factorization.

40522111787471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 878080, while the sum is 50.

The spelling of 40522111787471 in words is "forty trillion, five hundred twenty-two billion, one hundred eleven million, seven hundred eighty-seven thousand, four hundred seventy-one".