115105848191 has 4 divisors (see below), whose sum is σ = 119075015400. Its totient is φ = 111136680984.

The previous prime is 115105848113. The next prime is 115105848211. The reversal of 115105848191 is 191848501511.

It is a happy number.

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 115105848191 - 2¹⁸ = 115105586047 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 (115105848491) 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, 1984583561 + ... + 1984583618.

It is an arithmetic number, because the mean of its divisors is an integer number (29768753850).

Almost surely, 2^115105848191 is an apocalyptic number.

115105848191 is a deficient number, since it is larger than the sum of its proper divisors (3969167209).

115105848191 is an equidigital number, since it uses as much as digits as its factorization.

115105848191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969167208.

The product of its (nonzero) digits is 57600, while the sum is 44.

The spelling of 115105848191 in words is "one hundred fifteen billion, one hundred five million, eight hundred forty-eight thousand, one hundred ninety-one".