42133842125 has 8 divisors (see below), whose sum is σ = 52583035128. Its totient is φ = 33707073600.

The previous prime is 42133842119. The next prime is 42133842131. The reversal of 42133842125 is 52124833124.

It is an interprime number because it is at equal distance from previous prime (42133842119) and next prime (42133842131).

It can be written as a sum of positive squares in 4 ways, for example, as 5739123049 + 36394719076 = 75757^2 + 190774^2 .

It is not a de Polignac number, because 42133842125 - 2⁶ = 42133842061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168535244 + ... + 168535493.

It is an arithmetic number, because the mean of its divisors is an integer number (6572879391).

Almost surely, 2^42133842125 is an apocalyptic number.

It is an amenable number.

42133842125 is a deficient number, since it is larger than the sum of its proper divisors (10449193003).

42133842125 is an equidigital number, since it uses as much as digits as its factorization.

42133842125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337070752 (or 337070742 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

Subtracting 42133842125 from its reverse (52124833124), we obtain a palindrome (9990990999).

The spelling of 42133842125 in words is "forty-two billion, one hundred thirty-three million, eight hundred forty-two thousand, one hundred twenty-five".