40994548811 has 2 divisors, whose sum is σ = 40994548812. Its totient is φ = 40994548810.

The previous prime is 40994548783. The next prime is 40994548817. The reversal of 40994548811 is 11884549904.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40994548811 - 2³⁰ = 39920806987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (40994548817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20497274405 + 20497274406.

It is an arithmetic number, because the mean of its divisors is an integer number (20497274406).

Almost surely, 2^40994548811 is an apocalyptic number.

40994548811 is a deficient number, since it is larger than the sum of its proper divisors (1).

40994548811 is an equidigital number, since it uses as much as digits as its factorization.

40994548811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1658880, while the sum is 53.

The spelling of 40994548811 in words is "forty billion, nine hundred ninety-four million, five hundred forty-eight thousand, eight hundred eleven".