1061573726928 has 320 divisors, whose sum is σ = 3284291791872. Its totient is φ = 291226890240.

The previous prime is 1061573726911. The next prime is 1061573726957. The reversal of 1061573726928 is 8296273751601.

It is a Cunningham number, because it is equal to 1030327²-1.

It is a super-2 number, since 2×1061573726928² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 107148951 + ... + 107158857.

Almost surely, 2^{1061573726928} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061573726928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1642145895936).

1061573726928 is an abundant number, since it is smaller than the sum of its proper divisors (2222718064944).

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

1061573726928 is a wasteful number, since it uses less digits than its factorization.

1061573726928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10242 (or 10236 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 57.

The spelling of 1061573726928 in words is "one trillion, sixty-one billion, five hundred seventy-three million, seven hundred twenty-six thousand, nine hundred twenty-eight".