42104145431811 has 8 divisors (see below), whose sum is σ = 56192275290304. Its totient is φ = 28042722930600.

The previous prime is 42104145431791. The next prime is 42104145431827. The reversal of 42104145431811 is 11813454140124.

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

It is not a de Polignac number, because 42104145431811 - 2⁷ = 42104145431683 is a prime.

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 42104145431811.

It is not an unprimeable number, because it can be changed into a prime (42104145431851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6676835641 + ... + 6676841946.

It is an arithmetic number, because the mean of its divisors is an integer number (7024034411288).

Almost surely, 2^{42104145431811} is an apocalyptic number.

42104145431811 is a deficient number, since it is larger than the sum of its proper divisors (14088129858493).

42104145431811 is a wasteful number, since it uses less digits than its factorization.

42104145431811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13353678641.

The product of its (nonzero) digits is 61440, while the sum is 39.

Adding to 42104145431811 its reverse (11813454140124), we get a palindrome (53917599571935).

The spelling of 42104145431811 in words is "forty-two trillion, one hundred four billion, one hundred forty-five million, four hundred thirty-one thousand, eight hundred eleven".