110871604491 has 4 divisors (see below), whose sum is σ = 147828805992. Its totient is φ = 73914402992.

The previous prime is 110871604469. The next prime is 110871604537. The reversal of 110871604491 is 194406178011.

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 110871604491 - 2⁶ = 110871604427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (110871604421) 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, 18478600746 + ... + 18478600751.

It is an arithmetic number, because the mean of its divisors is an integer number (36957201498).

Almost surely, 2^110871604491 is an apocalyptic number.

110871604491 is a deficient number, since it is larger than the sum of its proper divisors (36957201501).

110871604491 is an equidigital number, since it uses as much as digits as its factorization.

110871604491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36957201500.

The product of its (nonzero) digits is 48384, while the sum is 42.

The spelling of 110871604491 in words is "one hundred ten billion, eight hundred seventy-one million, six hundred four thousand, four hundred ninety-one".