11051709889 has 4 divisors (see below), whose sum is σ = 12056410800. Its totient is φ = 10047008980.

The previous prime is 11051709883. The next prime is 11051709899. The reversal of 11051709889 is 98890715011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11051709889 - 2⁹ = 11051709377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11051709883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502350439 + ... + 502350460.

It is an arithmetic number, because the mean of its divisors is an integer number (3014102700).

Almost surely, 2^11051709889 is an apocalyptic number.

It is an amenable number.

11051709889 is a deficient number, since it is larger than the sum of its proper divisors (1004700911).

11051709889 is a wasteful number, since it uses less digits than its factorization.

11051709889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004700910.

The product of its (nonzero) digits is 181440, while the sum is 49.

The spelling of 11051709889 in words is "eleven billion, fifty-one million, seven hundred nine thousand, eight hundred eighty-nine".