111941155 has 16 divisors (see below), whose sum is σ = 139085568. Its totient is φ = 86400000.

The previous prime is 111941149. The next prime is 111941173. The reversal of 111941155 is 551149111.

It is not a de Polignac number, because 111941155 - 2⁹ = 111940643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61255 + ... + 63055.

It is an arithmetic number, because the mean of its divisors is an integer number (8692848).

Almost surely, 2^111941155 is an apocalyptic number.

111941155 is a deficient number, since it is larger than the sum of its proper divisors (27144413).

111941155 is a wasteful number, since it uses less digits than its factorization.

111941155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238.

The product of its digits is 900, while the sum is 28.

The square root of 111941155 is about 10580.2247140597. The cubic root of 111941155 is about 481.9440185094.

The spelling of 111941155 in words is "one hundred eleven million, nine hundred forty-one thousand, one hundred fifty-five".