42500509255 has 4 divisors (see below), whose sum is σ = 51000611112. Its totient is φ = 34000407400.

The previous prime is 42500509231. The next prime is 42500509273. The reversal of 42500509255 is 55290500524.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42500509255 - 2⁵ = 42500509223 is a prime.

It is a Duffinian number.

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, 4250050921 + ... + 4250050930.

It is an arithmetic number, because the mean of its divisors is an integer number (12750152778).

Almost surely, 2^42500509255 is an apocalyptic number.

42500509255 is a deficient number, since it is larger than the sum of its proper divisors (8500101857).

42500509255 is an equidigital number, since it uses as much as digits as its factorization.

42500509255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8500101856.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 42500509255 in words is "forty-two billion, five hundred million, five hundred nine thousand, two hundred fifty-five".