1065113187444 has 30 divisors (see below), whose sum is σ = 2784416265554. Its totient is φ = 355037729040.

The previous prime is 1065113187431. The next prime is 1065113187449. The reversal of 1065113187444 is 4447813115601.

1065113187444 is a `hidden beast` number, since 10 + 6 + 5 + 1 + 13 + 187 + 444 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1055115187344 + 9998000100 = 1027188^2 + 99990^2 .

It is a super-2 number, since 2×1065113187444² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1065113187444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065113187449) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1643692867 + ... + 1643693514.

Almost surely, 2^{1065113187444} is an apocalyptic number.

It is an amenable number.

1065113187444 is an abundant number, since it is smaller than the sum of its proper divisors (1719303078110).

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

1065113187444 is a wasteful number, since it uses less digits than its factorization.

1065113187444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287386397 (or 3287386386 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 1065113187444 in words is "one trillion, sixty-five billion, one hundred thirteen million, one hundred eighty-seven thousand, four hundred forty-four".