111880964771 has 4 divisors (see below), whose sum is σ = 112147984200. Its totient is φ = 111613945344.

The previous prime is 111880964731. The next prime is 111880964809. The reversal of 111880964771 is 177469088111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 177469088111 = 7 ⋅25352726873.

It is a cyclic number.

It is not a de Polignac number, because 111880964771 - 2⁶ = 111880964707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111880964731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133509086 + ... + 133509923.

It is an arithmetic number, because the mean of its divisors is an integer number (28036996050).

Almost surely, 2^111880964771 is an apocalyptic number.

111880964771 is a deficient number, since it is larger than the sum of its proper divisors (267019429).

111880964771 is an equidigital number, since it uses as much as digits as its factorization.

111880964771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267019428.

The product of its (nonzero) digits is 677376, while the sum is 53.

The spelling of 111880964771 in words is "one hundred eleven billion, eight hundred eighty million, nine hundred sixty-four thousand, seven hundred seventy-one".