111878468 has 12 divisors (see below), whose sum is σ = 210847980. Its totient is φ = 51636192.

The previous prime is 111878461. The next prime is 111878483. The reversal of 111878468 is 864878111.

It can be written as a sum of positive squares in 2 ways, for example, as 12517444 + 99361024 = 3538^2 + 9968^2 .

It is not an unprimeable number, because it can be changed into a prime (111878461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075703 + ... + 1075806.

It is an arithmetic number, because the mean of its divisors is an integer number (17570665).

Almost surely, 2^111878468 is an apocalyptic number.

It is an amenable number.

111878468 is a deficient number, since it is larger than the sum of its proper divisors (98969512).

111878468 is a wasteful number, since it uses less digits than its factorization.

111878468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151526 (or 2151524 counting only the distinct ones).

The product of its digits is 86016, while the sum is 44.

The square root of 111878468 is about 10577.2618384911. The cubic root of 111878468 is about 481.8540388948.

The spelling of 111878468 in words is "one hundred eleven million, eight hundred seventy-eight thousand, four hundred sixty-eight".