99559054617 has 32 divisors (see below), whose sum is σ = 157352202240. Its totient is φ = 55319112000.

The previous prime is 99559054603. The next prime is 99559054631. The reversal of 99559054617 is 71645095599.

It is an interprime number because it is at equal distance from previous prime (99559054603) and next prime (99559054631).

It is not a de Polignac number, because 99559054617 - 2¹⁰ = 99559053593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99559054667) 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, 2541634 + ... + 2580507.

It is an arithmetic number, because the mean of its divisors is an integer number (4917256320).

Almost surely, 2^99559054617 is an apocalyptic number.

It is an amenable number.

99559054617 is a deficient number, since it is larger than the sum of its proper divisors (57793147623).

99559054617 is a wasteful number, since it uses less digits than its factorization.

99559054617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5122205.

The product of its (nonzero) digits is 15309000, while the sum is 60.

The spelling of 99559054617 in words is "ninety-nine billion, five hundred fifty-nine million, fifty-four thousand, six hundred seventeen".