1061171728443 has 128 divisors (see below), whose sum is σ = 1734341068800. Its totient is φ = 638280953856.

The previous prime is 1061171728433. The next prime is 1061171728459. The reversal of 1061171728443 is 3448271711601.

1061171728443 is a `hidden beast` number, since 1 + 0 + 611 + 7 + 1 + 7 + 28 + 4 + 4 + 3 = 666.

1061171728443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1061171728443 - 2¹⁰ = 1061171727419 is a prime.

It is a super-2 number, since 2×1061171728443² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061171728433) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2029008780 + ... + 2029009302.

It is an arithmetic number, because the mean of its divisors is an integer number (13549539600).

Almost surely, 2^{1061171728443} is an apocalyptic number.

1061171728443 is a deficient number, since it is larger than the sum of its proper divisors (673169340357).

1061171728443 is a wasteful number, since it uses less digits than its factorization.

1061171728443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 1061171728443 in words is "one trillion, sixty-one billion, one hundred seventy-one million, seven hundred twenty-eight thousand, four hundred forty-three".