111481117 has 8 divisors (see below), whose sum is σ = 121694400. Its totient is φ = 101280960.

The previous prime is 111481109. The next prime is 111481157. The reversal of 111481117 is 711184111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111481117 - 2³ = 111481109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111481091 and 111481100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111481157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25509 + ... + 29557.

It is an arithmetic number, because the mean of its divisors is an integer number (15211800).

Almost surely, 2^111481117 is an apocalyptic number.

It is an amenable number.

111481117 is a deficient number, since it is larger than the sum of its proper divisors (10213283).

111481117 is a wasteful number, since it uses less digits than its factorization.

111481117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6563.

The product of its digits is 224, while the sum is 25.

The square root of 111481117 is about 10558.4618671471. The cubic root of 111481117 is about 481.2829063461.

The spelling of 111481117 in words is "one hundred eleven million, four hundred eighty-one thousand, one hundred seventeen".