99604504505 has 16 divisors (see below), whose sum is σ = 130398116544. Its totient is φ = 72435881280.

The previous prime is 99604504481. The next prime is 99604504507. The reversal of 99604504505 is 50540540699.

It is not a de Polignac number, because 99604504505 - 2²⁶ = 99537395641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 99604504505.

It is not an unprimeable number, because it can be changed into a prime (99604504507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1455794 + ... + 1522676.

It is an arithmetic number, because the mean of its divisors is an integer number (8149882284).

Almost surely, 2^99604504505 is an apocalyptic number.

It is an amenable number.

99604504505 is a deficient number, since it is larger than the sum of its proper divisors (30793612039).

99604504505 is a wasteful number, since it uses less digits than its factorization.

99604504505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93976.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 99604504505 in words is "ninety-nine billion, six hundred four million, five hundred four thousand, five hundred five".