1115500355320 has 128 divisors (see below), whose sum is σ = 2882833027200. Its totient is φ = 384819019776.

The previous prime is 1115500355267. The next prime is 1115500355341. The reversal of 1115500355320 is 235530055111.

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, 750541 + ... + 1671619.

It is an arithmetic number, because the mean of its divisors is an integer number (22522133025).

Almost surely, 2^{1115500355320} is an apocalyptic number.

1115500355320 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 1115500355320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1441416513600).

1115500355320 is an abundant number, since it is smaller than the sum of its proper divisors (1767332671880).

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

1115500355320 is a wasteful number, since it uses less digits than its factorization.

1115500355320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921257 (or 921253 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 1115500355320 in words is "one trillion, one hundred fifteen billion, five hundred million, three hundred fifty-five thousand, three hundred twenty".