1081401189203 has 12 divisors (see below), whose sum is σ = 1148882838432. Its totient is φ = 1017675999360.

The previous prime is 1081401189097. The next prime is 1081401189217. The reversal of 1081401189203 is 3029811041801.

1081401189203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1081401189203 - 2²⁰ = 1081400140627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081401189223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2449526 + ... + 2857092.

It is an arithmetic number, because the mean of its divisors is an integer number (95740236536).

Almost surely, 2^{1081401189203} is an apocalyptic number.

1081401189203 is a deficient number, since it is larger than the sum of its proper divisors (67481649229).

1081401189203 is an equidigital number, since it uses as much as digits as its factorization.

1081401189203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416782 (or 416765 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 38.

The spelling of 1081401189203 in words is "one trillion, eighty-one billion, four hundred one million, one hundred eighty-nine thousand, two hundred three".