111453111214020 has 144 divisors (see below), whose sum is σ = 339001590079152. Its totient is φ = 29639331532800.

The previous prime is 111453111214013. The next prime is 111453111214021. The reversal of 111453111214020 is 20412111354111.

111453111214020 is a `hidden beast` number, since 1 + 1 + 1 + 4 + 531 + 1 + 121 + 4 + 0 + 2 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 980230684356 + 110472880529664 = 990066^2 + 10510608^2 .

It is not an unprimeable number, because it can be changed into a prime (111453111214021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1369145320 + ... + 1369226720.

It is an arithmetic number, because the mean of its divisors is an integer number (2354177708883).

Almost surely, 2^{111453111214020} is an apocalyptic number.

111453111214020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111453111214020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169500795039576).

111453111214020 is an abundant number, since it is smaller than the sum of its proper divisors (227548478865132).

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

111453111214020 is a wasteful number, since it uses less digits than its factorization.

111453111214020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102182 (or 102177 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

Adding to 111453111214020 its reverse (20412111354111), we get a palindrome (131865222568131).

The spelling of 111453111214020 in words is "one hundred eleven trillion, four hundred fifty-three billion, one hundred eleven million, two hundred fourteen thousand, twenty".