1161085685706 has 24 divisors (see below), whose sum is σ = 2577043840644. Its totient is φ = 377588840640.

The previous prime is 1161085685699. The next prime is 1161085685741. The reversal of 1161085685706 is 6075865801611.

It is a happy number.

1161085685706 is a `hidden beast` number, since 1 + 1 + 6 + 1 + 0 + 8 + 5 + 68 + 570 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1095285740481 + 65799945225 = 1046559^2 + 256515^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 786642681 + ... + 786644156.

Almost surely, 2^{1161085685706} is an apocalyptic number.

1161085685706 is an abundant number, since it is smaller than the sum of its proper divisors (1415958154938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161085685706 is a wasteful number, since it uses less digits than its factorization.

1161085685706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573286886 (or 1573286883 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 54.

The spelling of 1161085685706 in words is "one trillion, one hundred sixty-one billion, eighty-five million, six hundred eighty-five thousand, seven hundred six".