42445553125 has 24 divisors (see below), whose sum is σ = 54182532096. Its totient is φ = 33233850000.

The previous prime is 42445553123. The next prime is 42445553153. The reversal of 42445553125 is 52135554424.

It is not a de Polignac number, because 42445553125 - 2¹ = 42445553123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42445553123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2380 + ... + 291370.

It is an arithmetic number, because the mean of its divisors is an integer number (2257605504).

Almost surely, 2^42445553125 is an apocalyptic number.

It is an amenable number.

42445553125 is a deficient number, since it is larger than the sum of its proper divisors (11736978971).

42445553125 is an frugal number, since it uses more digits than its factorization.

42445553125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289063 (or 289043 counting only the distinct ones).

The product of its digits is 480000, while the sum is 40.

The spelling of 42445553125 in words is "forty-two billion, four hundred forty-five million, five hundred fifty-three thousand, one hundred twenty-five".