1320741755000 has 160 divisors (see below), whose sum is σ = 3138909602400. Its totient is φ = 520751616000.

The previous prime is 1320741754933. The next prime is 1320741755009. The reversal of 1320741755000 is 5571470231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320741755009) 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, 149960597 + ... + 149969403.

It is an arithmetic number, because the mean of its divisors is an integer number (19618185015).

Almost surely, 2^{1320741755000} is an apocalyptic number.

1320741755000 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 1320741755000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1569454801200).

1320741755000 is an abundant number, since it is smaller than the sum of its proper divisors (1818167847400).

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

1320741755000 is an equidigital number, since it uses as much as digits as its factorization.

1320741755000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9259 (or 9240 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The spelling of 1320741755000 in words is "one trillion, three hundred twenty billion, seven hundred forty-one million, seven hundred fifty-five thousand".