40443311031111 has 24 divisors (see below), whose sum is σ = 59843989020816. Its totient is φ = 26304134962560.

The previous prime is 40443311031083. The next prime is 40443311031121. The reversal of 40443311031111 is 11113011334404.

40443311031111 is a `hidden beast` number, since 4 + 0 + 4 + 4 + 331 + 1 + 0 + 311 + 11 = 666.

It is not a de Polignac number, because 40443311031111 - 2³⁸ = 40168433124167 is a prime.

It is a super-2 number, since 2×40443311031111² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40443311031121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20970256 + ... + 22817498.

It is an arithmetic number, because the mean of its divisors is an integer number (2493499542534).

Almost surely, 2^{40443311031111} is an apocalyptic number.

40443311031111 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40443311031111 is a deficient number, since it is larger than the sum of its proper divisors (19400677989705).

40443311031111 is a wasteful number, since it uses less digits than its factorization.

40443311031111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906623 (or 1906620 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 40443311031111 its reverse (11113011334404), we get a palindrome (51556322365515).

The spelling of 40443311031111 in words is "forty trillion, four hundred forty-three billion, three hundred eleven million, thirty-one thousand, one hundred eleven".