99510995605 has 12 divisors (see below), whose sum is σ = 138909226860. Its totient is φ = 68236111104.

The previous prime is 99510995593. The next prime is 99510995629. The reversal of 99510995605 is 50659901599.

It can be written as a sum of positive squares in 2 ways, for example, as 40639737649 + 58871257956 = 201593^2 + 242634^2 .

It is not a de Polignac number, because 99510995605 - 2⁹ = 99510995093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99510995605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203083420 + ... + 203083909.

It is an arithmetic number, because the mean of its divisors is an integer number (11575768905).

Almost surely, 2^99510995605 is an apocalyptic number.

It is an amenable number.

99510995605 is a deficient number, since it is larger than the sum of its proper divisors (39398231255).

99510995605 is a wasteful number, since it uses less digits than its factorization.

99510995605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406167348 (or 406167341 counting only the distinct ones).

The product of its (nonzero) digits is 4920750, while the sum is 58.

The spelling of 99510995605 in words is "ninety-nine billion, five hundred ten million, nine hundred ninety-five thousand, six hundred five".