42115851124 has 12 divisors (see below), whose sum is σ = 73921444324. Its totient is φ = 20995438464.

The previous prime is 42115851109. The next prime is 42115851209.

42115851124 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 12425115024 + 29690736100 = 111468^2 + 172310^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42115851124.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15620259 + ... + 15622954.

Almost surely, 2^42115851124 is an apocalyptic number.

It is an amenable number.

42115851124 is a deficient number, since it is larger than the sum of its proper divisors (31805593200).

42115851124 is a wasteful number, since it uses less digits than its factorization.

42115851124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31243554 (or 31243552 counting only the distinct ones).

The product of its digits is 12800, while the sum is 34.

The spelling of 42115851124 in words is "forty-two billion, one hundred fifteen million, eight hundred fifty-one thousand, one hundred twenty-four".