42381830811 has 8 divisors (see below), whose sum is σ = 56510113360. Its totient is φ = 28254051072.

The previous prime is 42381830747. The next prime is 42381830837. The reversal of 42381830811 is 11803818324.

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

It is not a de Polignac number, because 42381830811 - 2⁶ = 42381830747 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 42381830811.

It is not an unprimeable number, because it can be changed into a prime (42381830311) 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, 171075 + ... + 337683.

It is an arithmetic number, because the mean of its divisors is an integer number (7063764170).

Almost surely, 2^42381830811 is an apocalyptic number.

42381830811 is a deficient number, since it is larger than the sum of its proper divisors (14128282549).

42381830811 is a wasteful number, since it uses less digits than its factorization.

42381830811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251405.

The product of its (nonzero) digits is 36864, while the sum is 39.

The spelling of 42381830811 in words is "forty-two billion, three hundred eighty-one million, eight hundred thirty thousand, eight hundred eleven".