191132098559 has 4 divisors (see below), whose sum is σ = 192527223504. Its totient is φ = 189736973616.

The previous prime is 191132098529. The next prime is 191132098567. The reversal of 191132098559 is 955890231191.

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 191132098559 - 2²⁰ = 191131049983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 191132098559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191132098529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697562267 + ... + 697562540.

It is an arithmetic number, because the mean of its divisors is an integer number (48131805876).

Almost surely, 2^191132098559 is an apocalyptic number.

191132098559 is a deficient number, since it is larger than the sum of its proper divisors (1395124945).

191132098559 is a wasteful number, since it uses less digits than its factorization.

191132098559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395124944.

The product of its (nonzero) digits is 874800, while the sum is 53.

The spelling of 191132098559 in words is "one hundred ninety-one billion, one hundred thirty-two million, ninety-eight thousand, five hundred fifty-nine".