1061165506106 has 4 divisors (see below), whose sum is σ = 1591748259162. Its totient is φ = 530582753052.

The previous prime is 1061165506099. The next prime is 1061165506111. The reversal of 1061165506106 is 6016055611601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 695514300625 + 365651205481 = 833975^2 + 604691^2 .

It is a super-2 number, since 2×1061165506106² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1061165506106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265291376525 + ... + 265291376528.

Almost surely, 2^{1061165506106} is an apocalyptic number.

1061165506106 is a deficient number, since it is larger than the sum of its proper divisors (530582753056).

1061165506106 is an equidigital number, since it uses as much as digits as its factorization.

1061165506106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530582753055.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 1061165506106 in words is "one trillion, sixty-one billion, one hundred sixty-five million, five hundred six thousand, one hundred six".