11795914881 has 27 divisors (see below), whose sum is σ = 17484054627. Its totient is φ = 7663451040.

The previous prime is 11795914861. The next prime is 11795914891. The reversal of 11795914881 is 18841959711.

The square root of 11795914881 is 108609.

It is a perfect power (a square), and thus also a powerful number.

11795914881 is a `hidden beast` number, since 1 + 1 + 7 + 9 + 591 + 48 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 568393281 + 11227521600 = 23841^2 + 105960^2 .

It is not a de Polignac number, because 11795914881 - 2¹⁵ = 11795882113 is a prime.

It is a super-2 number, since 2×11795914881² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11795914861) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13358466 + ... + 13359348.

Almost surely, 2^11795914881 is an apocalyptic number.

11795914881 is the 108609-th square number.

11795914881 is the 54305-th centered octagonal number.

It is an amenable number.

11795914881 is a deficient number, since it is larger than the sum of its proper divisors (5688139746).

11795914881 is an frugal number, since it uses more digits than its factorization.

11795914881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854 (or 927 counting only the distinct ones).

The product of its digits is 725760, while the sum is 54.

The spelling of 11795914881 in words is "eleven billion, seven hundred ninety-five million, nine hundred fourteen thousand, eight hundred eighty-one".