11967900889 has 16 divisors (see below), whose sum is σ = 14155776000. Its totient is φ = 9901302480.

The previous prime is 11967900869. The next prime is 11967900913. The reversal of 11967900889 is 98800976911.

It is a cyclic number.

It is not a de Polignac number, because 11967900889 - 2¹¹ = 11967898841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11967900869) 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 15 ways as a sum of consecutive naturals, for example, 11112 + ... + 155110.

It is an arithmetic number, because the mean of its divisors is an integer number (884736000).

Almost surely, 2^11967900889 is an apocalyptic number.

It is an amenable number.

11967900889 is a deficient number, since it is larger than the sum of its proper divisors (2187875111).

11967900889 is a wasteful number, since it uses less digits than its factorization.

11967900889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144420.

The product of its (nonzero) digits is 1959552, while the sum is 58.

The spelling of 11967900889 in words is "eleven billion, nine hundred sixty-seven million, nine hundred thousand, eight hundred eighty-nine".