42040444033111 has 4 divisors (see below), whose sum is σ = 42040473176800. Its totient is φ = 42040414889424.

The previous prime is 42040444033097. The next prime is 42040444033123. The reversal of 42040444033111 is 11133044404024.

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 42040444033111 - 2¹³ = 42040444024919 is a prime.

It is a super-2 number, since 2×42040444033111² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42040444013111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12288831 + ... + 15332848.

It is an arithmetic number, because the mean of its divisors is an integer number (10510118294200).

Almost surely, 2^{42040444033111} is an apocalyptic number.

42040444033111 is a deficient number, since it is larger than the sum of its proper divisors (29143689).

42040444033111 is a wasteful number, since it uses less digits than its factorization.

42040444033111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29143688.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 42040444033111 its reverse (11133044404024), we get a palindrome (53173488437135).

The spelling of 42040444033111 in words is "forty-two trillion, forty billion, four hundred forty-four million, thirty-three thousand, one hundred eleven".