111813150400 has 168 divisors, whose sum is σ = 321126160896. Its totient is φ = 37520102400.

The previous prime is 111813150391. The next prime is 111813150403. The reversal of 111813150400 is 4051318111.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (111813150403) 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 23 ways as a sum of consecutive naturals, for example, 420195 + ... + 632605.

Almost surely, 2^111813150400 is an apocalyptic number.

111813150400 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 111813150400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160563080448).

111813150400 is an abundant number, since it is smaller than the sum of its proper divisors (209313010496).

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

111813150400 is a wasteful number, since it uses less digits than its factorization.

111813150400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212487 (or 212472 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 25.

Adding to 111813150400 its reverse (4051318111), we get a palindrome (115864468511).

The spelling of 111813150400 in words is "one hundred eleven billion, eight hundred thirteen million, one hundred fifty thousand, four hundred".