1061061765161 has 8 divisors (see below), whose sum is σ = 1070964522144. Its totient is φ = 1051186327360.

The previous prime is 1061061765151. The next prime is 1061061765191. The reversal of 1061061765161 is 1615671601601.

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 1061061765161 - 2²² = 1061057570857 is a prime.

It is a super-2 number, since 2×1061061765161² (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 (1061061765151) 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 7 ways as a sum of consecutive naturals, for example, 6751751 + ... + 6907116.

It is an arithmetic number, because the mean of its divisors is an integer number (133870565268).

Almost surely, 2^{1061061765161} is an apocalyptic number.

It is an amenable number.

1061061765161 is a deficient number, since it is larger than the sum of its proper divisors (9902756983).

1061061765161 is a wasteful number, since it uses less digits than its factorization.

1061061765161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13659591.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 1061061765161 in words is "one trillion, sixty-one billion, sixty-one million, seven hundred sixty-five thousand, one hundred sixty-one".