1065100661161 has 8 divisors (see below), whose sum is σ = 1083220979040. Its totient is φ = 1046982602208.

The previous prime is 1065100661159. The next prime is 1065100661167. The reversal of 1065100661161 is 1611660015601.

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

It is a cyclic number.

It is not a de Polignac number, because 1065100661161 - 2¹ = 1065100661159 is a prime.

It is a super-2 number, since 2×1065100661161² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1065100661167) 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, 400210 + ... + 1513396.

It is an arithmetic number, because the mean of its divisors is an integer number (135402622380).

Almost surely, 2^{1065100661161} is an apocalyptic number.

It is an amenable number.

1065100661161 is a deficient number, since it is larger than the sum of its proper divisors (18120317879).

1065100661161 is a wasteful number, since it uses less digits than its factorization.

1065100661161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129463.

The product of its (nonzero) digits is 6480, while the sum is 34.

Adding to 1065100661161 its reverse (1611660015601), we get a palindrome (2676760676762).

The spelling of 1065100661161 in words is "one trillion, sixty-five billion, one hundred million, six hundred sixty-one thousand, one hundred sixty-one".