1115300550040 has 128 divisors (see below), whose sum is σ = 2602517299200. Its totient is φ = 429863316480.

The previous prime is 1115300550011. The next prime is 1115300550061. The reversal of 1115300550040 is 400550035111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1115300549987 and 1115300550014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64687741 + ... + 64704979.

It is an arithmetic number, because the mean of its divisors is an integer number (20332166400).

Almost surely, 2^{1115300550040} is an apocalyptic number.

1115300550040 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 1115300550040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1301258649600).

1115300550040 is an abundant number, since it is smaller than the sum of its proper divisors (1487216749160).

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

1115300550040 is a wasteful number, since it uses less digits than its factorization.

1115300550040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17777 (or 17773 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 1115300550040 its reverse (400550035111), we get a palindrome (1515850585151).

The spelling of 1115300550040 in words is "one trillion, one hundred fifteen billion, three hundred million, five hundred fifty thousand, forty".