42420501125 has 16 divisors (see below), whose sum is σ = 53578639296. Its totient is φ = 33527520400.

The previous prime is 42420501113. The next prime is 42420501247. The reversal of 42420501125 is 52110502424.

42420501125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42420501125 - 2²⁰ = 42419452549 is a prime.

It is a super-3 number, since 3×42420501125³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42420501094 and 42420501103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2033987 + ... + 2054736.

It is an arithmetic number, because the mean of its divisors is an integer number (3348664956).

Almost surely, 2^42420501125 is an apocalyptic number.

It is an amenable number.

42420501125 is a deficient number, since it is larger than the sum of its proper divisors (11158138171).

42420501125 is an equidigital number, since it uses as much as digits as its factorization.

42420501125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088821 (or 4088811 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The spelling of 42420501125 in words is "forty-two billion, four hundred twenty million, five hundred one thousand, one hundred twenty-five".