40065010512011 has 4 divisors (see below), whose sum is σ = 40065023173032. Its totient is φ = 40064997850992.

The previous prime is 40065010511959. The next prime is 40065010512017. The reversal of 40065010512011 is 11021501056004.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40065010512011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40065010512017) 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 in 3 ways as a sum of consecutive naturals, for example, 3012680 + ... + 9444906.

It is an arithmetic number, because the mean of its divisors is an integer number (10016255793258).

Almost surely, 2^{40065010512011} is an apocalyptic number.

40065010512011 is a deficient number, since it is larger than the sum of its proper divisors (12661021).

40065010512011 is an equidigital number, since it uses as much as digits as its factorization.

40065010512011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12661020.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 40065010512011 its reverse (11021501056004), we get a palindrome (51086511568015).

The spelling of 40065010512011 in words is "forty trillion, sixty-five billion, ten million, five hundred twelve thousand, eleven".