1000071081144 has 32 divisors (see below), whose sum is σ = 2777975226000. Its totient is φ = 333357026976.

The previous prime is 1000071081127. The next prime is 1000071081157. The reversal of 1000071081144 is 4411801700001.

1000071081144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2314979139 + ... + 2314979570.

Almost surely, 2^{1000071081144} is an apocalyptic number.

It is an amenable number.

1000071081144 is an abundant number, since it is smaller than the sum of its proper divisors (1777904144856).

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

1000071081144 is a wasteful number, since it uses less digits than its factorization.

1000071081144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629958724 (or 4629958714 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

Adding to 1000071081144 its reverse (4411801700001), we get a palindrome (5411872781145).

The spelling of 1000071081144 in words is "one trillion, seventy-one million, eighty-one thousand, one hundred forty-four".