1075679889561 has 6 divisors (see below), whose sum is σ = 1553759840490. Its totient is φ = 717119926368.

The previous prime is 1075679889517. The next prime is 1075679889593. The reversal of 1075679889561 is 1659889765701.

1075679889561 is a `hidden beast` number, since 1 + 0 + 7 + 56 + 7 + 9 + 8 + 8 + 9 + 561 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1025763840000 + 49916049561 = 1012800^2 + 223419^2 .

It is not a de Polignac number, because 1075679889561 - 2⁶ = 1075679889497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1075679889561.

It is not an unprimeable number, because it can be changed into a prime (1075679889061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59759993856 + ... + 59759993873.

It is an arithmetic number, because the mean of its divisors is an integer number (258959973415).

Almost surely, 2^{1075679889561} is an apocalyptic number.

It is an amenable number.

1075679889561 is a deficient number, since it is larger than the sum of its proper divisors (478079950929).

1075679889561 is a wasteful number, since it uses less digits than its factorization.

1075679889561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119519987735 (or 119519987732 counting only the distinct ones).

The product of its (nonzero) digits is 228614400, while the sum is 72.

The spelling of 1075679889561 in words is "one trillion, seventy-five billion, six hundred seventy-nine million, eight hundred eighty-nine thousand, five hundred sixty-one".