111040531040000 has 360 divisors, whose sum is σ = 278339709119472. Its totient is φ = 44197171200000.

The previous prime is 111040531039987. The next prime is 111040531040003. The reversal of 111040531040000 is 40135040111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111040531040003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35106078419 + ... + 35106081581.

Almost surely, 2^{111040531040000} is an apocalyptic number.

111040531040000 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 111040531040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139169854559736).

111040531040000 is an abundant number, since it is smaller than the sum of its proper divisors (167299178079472).

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

111040531040000 is an frugal number, since it uses more digits than its factorization.

111040531040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213 (or 4184 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 111040531040000 its reverse (40135040111), we get a palindrome (111080666080111).

The spelling of 111040531040000 in words is "one hundred eleven trillion, forty billion, five hundred thirty-one million, forty thousand".