40805253852611 has 4 divisors (see below), whose sum is σ = 40810192170672. Its totient is φ = 40800315534552.

The previous prime is 40805253852557. The next prime is 40805253852697. The reversal of 40805253852611 is 11625835250804.

40805253852611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40805253852611 - 2¹⁴ = 40805253836227 is a prime.

It is a super-2 number, since 2×40805253852611² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40805253852611.

It is not an unprimeable number, because it can be changed into a prime (40805253857611) 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 in 3 ways as a sum of consecutive naturals, for example, 2469146636 + ... + 2469163161.

It is an arithmetic number, because the mean of its divisors is an integer number (10202548042668).

Almost surely, 2^{40805253852611} is an apocalyptic number.

40805253852611 is a deficient number, since it is larger than the sum of its proper divisors (4938318061).

40805253852611 is an equidigital number, since it uses as much as digits as its factorization.

40805253852611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4938318060.

The product of its (nonzero) digits is 2304000, while the sum is 50.

The spelling of 40805253852611 in words is "forty trillion, eight hundred five billion, two hundred fifty-three million, eight hundred fifty-two thousand, six hundred eleven".