40811855911 has 8 divisors (see below), whose sum is σ = 42226126848. Its totient is φ = 39403695000.

The previous prime is 40811855869. The next prime is 40811855941. The reversal of 40811855911 is 11955811804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40811855911 - 2¹³ = 40811847719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40811855941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1513915 + ... + 1540636.

It is an arithmetic number, because the mean of its divisors is an integer number (5278265856).

Almost surely, 2^40811855911 is an apocalyptic number.

40811855911 is a deficient number, since it is larger than the sum of its proper divisors (1414270937).

40811855911 is a wasteful number, since it uses less digits than its factorization.

40811855911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055013.

The product of its (nonzero) digits is 57600, while the sum is 43.

The spelling of 40811855911 in words is "forty billion, eight hundred eleven million, eight hundred fifty-five thousand, nine hundred eleven".