111111453106812 has 120 divisors (see below), whose sum is σ = 306168792406400. Its totient is φ = 35040345717024.

The previous prime is 111111453106763. The next prime is 111111453106853. The reversal of 111111453106812 is 218601354111111.

111111453106812 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 114 + 531 + 0 + 6 + 8 + 1 + 2 = 666.

111111453106812 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7662688 + ... + 16761255.

Almost surely, 2^{111111453106812} is an apocalyptic number.

111111453106812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111111453106812 is an abundant number, since it is smaller than the sum of its proper divisors (195057339299588).

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

111111453106812 is a wasteful number, since it uses less digits than its factorization.

111111453106812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24424717 (or 24424706 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 36.

The spelling of 111111453106812 in words is "one hundred eleven trillion, one hundred eleven billion, four hundred fifty-three million, one hundred six thousand, eight hundred twelve".