1018381830201 has 16 divisors (see below), whose sum is σ = 1508936257920. Its totient is φ = 678821124240.

The previous prime is 1018381830199. The next prime is 1018381830227. The reversal of 1018381830201 is 1020381838101.

It is not a de Polignac number, because 1018381830201 - 2¹ = 1018381830199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1018381830101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2593690 + ... + 2960403.

It is an arithmetic number, because the mean of its divisors is an integer number (94308516120).

Almost surely, 2^{1018381830201} is an apocalyptic number.

It is an amenable number.

1018381830201 is a deficient number, since it is larger than the sum of its proper divisors (490554427719).

1018381830201 is an equidigital number, since it uses as much as digits as its factorization.

1018381830201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560893 (or 5560887 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The spelling of 1018381830201 in words is "one trillion, eighteen billion, three hundred eighty-one million, eight hundred thirty thousand, two hundred one".