42512455555 has 8 divisors (see below), whose sum is σ = 51213449952. Its totient is φ = 33877628928.

The previous prime is 42512455549. The next prime is 42512455567. The reversal of 42512455555 is 55555421524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42512455555 - 2⁹ = 42512455043 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 16540527 + ... + 16543096.

It is an arithmetic number, because the mean of its divisors is an integer number (6401681244).

Almost surely, 2^42512455555 is an apocalyptic number.

42512455555 is a deficient number, since it is larger than the sum of its proper divisors (8700994397).

42512455555 is a wasteful number, since it uses less digits than its factorization.

42512455555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33083885.

The product of its digits is 1000000, while the sum is 43.

The spelling of 42512455555 in words is "forty-two billion, five hundred twelve million, four hundred fifty-five thousand, five hundred fifty-five".