1181437340160 has 1600 divisors, whose sum is σ = 5061247488000. Its totient is φ = 229628805120.

The previous prime is 1181437340071. The next prime is 1181437340191. The reversal of 1181437340160 is 610437341811.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 14954903001 + ... + 14954903079.

It is an arithmetic number, because the mean of its divisors is an integer number (3163279680).

Almost surely, 2^{1181437340160} is an apocalyptic number.

1181437340160 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 1181437340160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2530623744000).

1181437340160 is an abundant number, since it is smaller than the sum of its proper divisors (3879810147840).

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

1181437340160 is an frugal number, since it uses more digits than its factorization.

1181437340160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 1181437340160 in words is "one trillion, one hundred eighty-one billion, four hundred thirty-seven million, three hundred forty thousand, one hundred sixty".