111453816 has 16 divisors (see below), whose sum is σ = 278634600. Its totient is φ = 37151264.

The previous prime is 111453809. The next prime is 111453817. The reversal of 111453816 is 618354111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111453817) 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, 2321931 + ... + 2321978.

Almost surely, 2^111453816 is an apocalyptic number.

It is an amenable number.

111453816 is an abundant number, since it is smaller than the sum of its proper divisors (167180784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111453816 is a wasteful number, since it uses less digits than its factorization.

111453816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643918 (or 4643914 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 111453816 is about 10557.1689386881. The cubic root of 111453816 is about 481.2436154547.

The spelling of 111453816 in words is "one hundred eleven million, four hundred fifty-three thousand, eight hundred sixteen".