119989911 has 4 divisors (see below), whose sum is σ = 159986552. Its totient is φ = 79993272.

The previous prime is 119989897. The next prime is 119989913.

It is a happy number.

119989911 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 119989911 - 2⁶ = 119989847 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 (119989913) 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, 19998316 + ... + 19998321.

It is an arithmetic number, because the mean of its divisors is an integer number (39996638).

Almost surely, 2^119989911 is an apocalyptic number.

119989911 is a deficient number, since it is larger than the sum of its proper divisors (39996641).

119989911 is an equidigital number, since it uses as much as digits as its factorization.

119989911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39996640.

The product of its digits is 52488, while the sum is 48.

The square root of 119989911 is about 10953.9906426836. The cubic root of 119989911 is about 493.2285913600.

The spelling of 119989911 in words is "one hundred nineteen million, nine hundred eighty-nine thousand, nine hundred eleven".