1061726804889 has 8 divisors (see below), whose sum is σ = 1450163440992. Its totient is φ = 690554019360.

The previous prime is 1061726804851. The next prime is 1061726804903. The reversal of 1061726804889 is 9884086271601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1061726804889 - 2³² = 1057431837593 is a prime.

It is a super-2 number, since 2×1061726804889² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061726808889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4315962499 + ... + 4315962744.

It is an arithmetic number, because the mean of its divisors is an integer number (181270430124).

Almost surely, 2^{1061726804889} is an apocalyptic number.

It is an amenable number.

1061726804889 is a deficient number, since it is larger than the sum of its proper divisors (388436636103).

1061726804889 is an equidigital number, since it uses as much as digits as its factorization.

1061726804889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8631925287.

The product of its (nonzero) digits is 9289728, while the sum is 60.

The spelling of 1061726804889 in words is "one trillion, sixty-one billion, seven hundred twenty-six million, eight hundred four thousand, eight hundred eighty-nine".