1161711200117 has 16 divisors (see below), whose sum is σ = 1322670384000. Its totient is φ = 1011473054784.

The previous prime is 1161711200093. The next prime is 1161711200131. The reversal of 1161711200117 is 7110021171611.

It is not a de Polignac number, because 1161711200117 - 2²⁶ = 1161644091253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1161711200117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161711208117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10212617 + ... + 10325742.

It is an arithmetic number, because the mean of its divisors is an integer number (82666899000).

Almost surely, 2^{1161711200117} is an apocalyptic number.

It is an amenable number.

1161711200117 is a deficient number, since it is larger than the sum of its proper divisors (160959183883).

1161711200117 is a wasteful number, since it uses less digits than its factorization.

1161711200117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20538620.

The product of its (nonzero) digits is 588, while the sum is 29.

Adding to 1161711200117 its reverse (7110021171611), we get a palindrome (8271732371728).

The spelling of 1161711200117 in words is "one trillion, one hundred sixty-one billion, seven hundred eleven million, two hundred thousand, one hundred seventeen".