40165630697011 has 2 divisors, whose sum is σ = 40165630697012. Its totient is φ = 40165630697010.

The previous prime is 40165630696991. The next prime is 40165630697041. The reversal of 40165630697011 is 11079603656104.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40165630697011 - 2¹⁷ = 40165630565939 is a prime.

It is a super-2 number, since 2×40165630697011² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40165630697041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20082815348505 + 20082815348506.

It is an arithmetic number, because the mean of its divisors is an integer number (20082815348506).

Almost surely, 2^{40165630697011} is an apocalyptic number.

40165630697011 is a deficient number, since it is larger than the sum of its proper divisors (1).

40165630697011 is an equidigital number, since it uses as much as digits as its factorization.

40165630697011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 40165630697011 in words is "forty trillion, one hundred sixty-five billion, six hundred thirty million, six hundred ninety-seven thousand, eleven".