99141595591 has 4 divisors (see below), whose sum is σ = 99277967152. Its totient is φ = 99005224032.

The previous prime is 99141595541. The next prime is 99141595669. The reversal of 99141595591 is 19559514199.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99141595591 - 2²¹ = 99139498439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99141595541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68184690 + ... + 68186143.

It is an arithmetic number, because the mean of its divisors is an integer number (24819491788).

Almost surely, 2^99141595591 is an apocalyptic number.

99141595591 is a deficient number, since it is larger than the sum of its proper divisors (136371561).

99141595591 is a wasteful number, since it uses less digits than its factorization.

99141595591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136371560.

The product of its digits is 3280500, while the sum is 58.

The spelling of 99141595591 in words is "ninety-nine billion, one hundred forty-one million, five hundred ninety-five thousand, five hundred ninety-one".