40682991611 has 2 divisors, whose sum is σ = 40682991612. Its totient is φ = 40682991610.

The previous prime is 40682991571. The next prime is 40682991631. The reversal of 40682991611 is 11619928604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40682991611 - 2¹⁸ = 40682729467 is a prime.

It is not a weakly prime, because it can be changed into another prime (40682991631) 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, 20341495805 + 20341495806.

It is an arithmetic number, because the mean of its divisors is an integer number (20341495806).

Almost surely, 2^40682991611 is an apocalyptic number.

40682991611 is a deficient number, since it is larger than the sum of its proper divisors (1).

40682991611 is an equidigital number, since it uses as much as digits as its factorization.

40682991611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 47.

The spelling of 40682991611 in words is "forty billion, six hundred eighty-two million, nine hundred ninety-one thousand, six hundred eleven".