11958094881 has 12 divisors (see below), whose sum is σ = 17912537552. Its totient is φ = 7972063092.

The previous prime is 11958094873. The next prime is 11958094909. The reversal of 11958094881 is 18849085911.

11958094881 is a `hidden beast` number, since 1 + 19 + 580 + 9 + 48 + 8 + 1 = 666.

It is not a de Polignac number, because 11958094881 - 2³ = 11958094873 is a prime.

It is a super-2 number, since 2×11958094881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11958093881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24604891 + ... + 24605376.

Almost surely, 2^11958094881 is an apocalyptic number.

It is an amenable number.

11958094881 is a deficient number, since it is larger than the sum of its proper divisors (5954442671).

11958094881 is an frugal number, since it uses more digits than its factorization.

11958094881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49210282 (or 49210270 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 54.

The spelling of 11958094881 in words is "eleven billion, nine hundred fifty-eight million, ninety-four thousand, eight hundred eighty-one".