111481011 has 6 divisors (see below), whose sum is σ = 161028140. Its totient is φ = 74320668.

The previous prime is 111480989. The next prime is 111481043. The reversal of 111481011 is 110184111.

It is a happy number.

It is not a de Polignac number, because 111481011 - 2¹⁰ = 111479987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111481061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6193381 + ... + 6193398.

Almost surely, 2^111481011 is an apocalyptic number.

111481011 is a deficient number, since it is larger than the sum of its proper divisors (49547129).

111481011 is a wasteful number, since it uses less digits than its factorization.

111481011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12386785 (or 12386782 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

The square root of 111481011 is about 10558.4568474754. The cubic root of 111481011 is about 481.2827538060.

The spelling of 111481011 in words is "one hundred eleven million, four hundred eighty-one thousand, eleven".