1064531111072 has 48 divisors (see below), whose sum is σ = 2462193472032. Its totient is φ = 446656408320.

The previous prime is 1064531111053. The next prime is 1064531111087. The reversal of 1064531111072 is 2701111354601.

It is a super-2 number, since 2×1064531111072² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 116312198 + ... + 116321349.

It is an arithmetic number, because the mean of its divisors is an integer number (51295697334).

Almost surely, 2^{1064531111072} is an apocalyptic number.

It is an amenable number.

1064531111072 is an abundant number, since it is smaller than the sum of its proper divisors (1397662360960).

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

1064531111072 is a wasteful number, since it uses less digits than its factorization.

1064531111072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232633581 (or 232633573 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

Adding to 1064531111072 its reverse (2701111354601), we get a palindrome (3765642465673).

The spelling of 1064531111072 in words is "one trillion, sixty-four billion, five hundred thirty-one million, one hundred eleven thousand, seventy-two".