99505550505 has 16 divisors (see below), whose sum is σ = 160424218944. Its totient is φ = 52664514240.

The previous prime is 99505550489. The next prime is 99505550587. The reversal of 99505550505 is 50505550599.

It is not a de Polignac number, because 99505550505 - 2⁴ = 99505550489 is a prime.

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, 25317514 + ... + 25321443.

It is an arithmetic number, because the mean of its divisors is an integer number (10026513684).

Almost surely, 2^99505550505 is an apocalyptic number.

It is an amenable number.

99505550505 is a deficient number, since it is larger than the sum of its proper divisors (60918668439).

99505550505 is a wasteful number, since it uses less digits than its factorization.

99505550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50639096.

The product of its (nonzero) digits is 1265625, while the sum is 48.

The spelling of 99505550505 in words is "ninety-nine billion, five hundred five million, five hundred fifty thousand, five hundred five".