10977912189 has 6 divisors (see below), whose sum is σ = 15856984286. Its totient is φ = 7318608120.

The previous prime is 10977912181. The next prime is 10977912203. The reversal of 10977912189 is 98121977901.

It can be written as a sum of positive squares in only one way, i.e., 10730888100 + 247024089 = 103590^2 + 15717^2 .

It is not a de Polignac number, because 10977912189 - 2³ = 10977912181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10977912181) 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 5 ways as a sum of consecutive naturals, for example, 609884002 + ... + 609884019.

Almost surely, 2^10977912189 is an apocalyptic number.

It is an amenable number.

10977912189 is a deficient number, since it is larger than the sum of its proper divisors (4879072097).

10977912189 is a wasteful number, since it uses less digits than its factorization.

10977912189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219768027 (or 1219768024 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 54.

The spelling of 10977912189 in words is "ten billion, nine hundred seventy-seven million, nine hundred twelve thousand, one hundred eighty-nine".