42925500505 has 4 divisors (see below), whose sum is σ = 51510600612. Its totient is φ = 34340400400.

The previous prime is 42925500491. The next prime is 42925500521. The reversal of 42925500505 is 50500552924.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9435402496 + 33490098009 = 97136^2 + 183003^2 .

It is not a de Polignac number, because 42925500505 - 2¹⁵ = 42925467737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4292550046 + ... + 4292550055.

It is an arithmetic number, because the mean of its divisors is an integer number (12877650153).

Almost surely, 2^42925500505 is an apocalyptic number.

It is an amenable number.

42925500505 is a deficient number, since it is larger than the sum of its proper divisors (8585100107).

42925500505 is an equidigital number, since it uses as much as digits as its factorization.

42925500505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8585100106.

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

The spelling of 42925500505 in words is "forty-two billion, nine hundred twenty-five million, five hundred thousand, five hundred five".