191116877259 has 64 divisors (see below), whose sum is σ = 326825137152. Its totient is φ = 96438988800.

The previous prime is 191116877249. The next prime is 191116877261. The reversal of 191116877259 is 952778611191.

It is not a de Polignac number, because 191116877259 - 2²⁵ = 191083322827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 191116877199 and 191116877208.

It is not an unprimeable number, because it can be changed into a prime (191116877249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5255379 + ... + 5291619.

It is an arithmetic number, because the mean of its divisors is an integer number (5106642768).

Almost surely, 2^191116877259 is an apocalyptic number.

191116877259 is a deficient number, since it is larger than the sum of its proper divisors (135708259893).

191116877259 is a wasteful number, since it uses less digits than its factorization.

191116877259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36916.

The product of its digits is 1905120, while the sum is 57.

The spelling of 191116877259 in words is "one hundred ninety-one billion, one hundred sixteen million, eight hundred seventy-seven thousand, two hundred fifty-nine".