1115820160000 has 1760 divisors, whose sum is σ = 3867591974400. Its totient is φ = 317915136000.

The previous prime is 1115820159991. The next prime is 1115820160001. The reversal of 1115820160000 is 610285111.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115820160001) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 48513919989 + ... + 48513920011.

It is an arithmetic number, because the mean of its divisors is an integer number (2197495440).

Almost surely, 2^{1115820160000} is an apocalyptic number.

1115820160000 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 1115820160000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1933795987200).

1115820160000 is an abundant number, since it is smaller than the sum of its proper divisors (2751771814400).

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

1115820160000 is an equidigital number, since it uses as much as digits as its factorization.

1115820160000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 67 counting only the distinct ones).

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

The spelling of 1115820160000 in words is "one trillion, one hundred fifteen billion, eight hundred twenty million, one hundred sixty thousand".