1081401070399 has 8 divisors (see below), whose sum is σ = 1172003514080. Its totient is φ = 991858304736.

The previous prime is 1081401070381. The next prime is 1081401070417. The reversal of 1081401070399 is 9930701041801.

It is an interprime number because it is at equal distance from previous prime (1081401070381) and next prime (1081401070417).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1081401070399 - 2³⁷ = 943962116927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081401070319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264917379 + ... + 264921460.

It is an arithmetic number, because the mean of its divisors is an integer number (146500439260).

Almost surely, 2^{1081401070399} is an apocalyptic number.

1081401070399 is a deficient number, since it is larger than the sum of its proper divisors (90602443681).

1081401070399 is a wasteful number, since it uses less digits than its factorization.

1081401070399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529839009.

The product of its (nonzero) digits is 54432, while the sum is 43.

The spelling of 1081401070399 in words is "one trillion, eighty-one billion, four hundred one million, seventy thousand, three hundred ninety-nine".