505504999995 has 32 divisors (see below), whose sum is σ = 860225329152. Its totient is φ = 252605793792.

The previous prime is 505504999991. The next prime is 505505000009. The reversal of 505504999995 is 599999405505.

It is not a de Polignac number, because 505504999995 - 2² = 505504999991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505504999991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4387917 + ... + 4501646.

It is an arithmetic number, because the mean of its divisors is an integer number (26882041536).

Almost surely, 2^505504999995 is an apocalyptic number.

505504999995 is a deficient number, since it is larger than the sum of its proper divisors (354720329157).

505504999995 is a wasteful number, since it uses less digits than its factorization.

505504999995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8889811.

The product of its (nonzero) digits is 147622500, while the sum is 69.

The spelling of 505504999995 in words is "five hundred five billion, five hundred four million, nine hundred ninety-nine thousand, nine hundred ninety-five".