1201355868160 has 96 divisors (see below), whose sum is σ = 3294343241280. Its totient is φ = 411893415936.

The previous prime is 1201355868101. The next prime is 1201355868169. The reversal of 1201355868160 is 618685531021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201355868160.

It is not an unprimeable number, because it can be changed into a prime (1201355868169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8308314 + ... + 8451673.

It is an arithmetic number, because the mean of its divisors is an integer number (34316075430).

Almost surely, 2^{1201355868160} is an apocalyptic number.

1201355868160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201355868160 is an abundant number, since it is smaller than the sum of its proper divisors (2092987373120).

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

1201355868160 is an equidigital number, since it uses as much as digits as its factorization.

1201355868160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16760021 (or 16760001 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 1201355868160 in words is "one trillion, two hundred one billion, three hundred fifty-five million, eight hundred sixty-eight thousand, one hundred sixty".