42500050505 has 16 divisors (see below), whose sum is σ = 55677227904. Its totient is φ = 30886462080.

The previous prime is 42500050487. The next prime is 42500050519. The reversal of 42500050505 is 50505000524.

42500050505 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 42500050505 - 2⁶ = 42500050441 is a prime.

It is a Duffinian number.

42500050505 is a modest number, since divided by 50505 gives 42500 as remainder.

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, 207452 + ... + 357821.

It is an arithmetic number, because the mean of its divisors is an integer number (3479826744).

Almost surely, 2^42500050505 is an apocalyptic number.

It is an amenable number.

42500050505 is a deficient number, since it is larger than the sum of its proper divisors (13177177399).

42500050505 is a wasteful number, since it uses less digits than its factorization.

42500050505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566656.

The product of its (nonzero) digits is 5000, while the sum is 26.

The spelling of 42500050505 in words is "forty-two billion, five hundred million, fifty thousand, five hundred five".