1065381074728 has 64 divisors (see below), whose sum is σ = 2123627544000. Its totient is φ = 499334784000.

The previous prime is 1065381074713. The next prime is 1065381074801. The reversal of 1065381074728 is 8274701835601.

It is a super-2 number, since 2×1065381074728² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122467323 + ... + 122476021.

It is an arithmetic number, because the mean of its divisors is an integer number (33181680375).

Almost surely, 2^{1065381074728} is an apocalyptic number.

It is an amenable number.

1065381074728 is a deficient number, since it is larger than the sum of its proper divisors (1058246469272).

1065381074728 is a wasteful number, since it uses less digits than its factorization.

1065381074728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12250 (or 12246 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 1065381074728 in words is "one trillion, sixty-five billion, three hundred eighty-one million, seventy-four thousand, seven hundred twenty-eight".