990119011 has 4 divisors (see below), whose sum is σ = 1131564592. Its totient is φ = 848673432.

The previous prime is 990119003. The next prime is 990119021. The reversal of 990119011 is 110911099.

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

It is a cyclic number.

It is not a de Polignac number, because 990119011 - 2³ = 990119003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (990119021) 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 3 ways as a sum of consecutive naturals, for example, 70722780 + ... + 70722793.

It is an arithmetic number, because the mean of its divisors is an integer number (282891148).

Almost surely, 2^990119011 is an apocalyptic number.

990119011 is a deficient number, since it is larger than the sum of its proper divisors (141445581).

990119011 is a wasteful number, since it uses less digits than its factorization.

990119011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141445580.

The product of its (nonzero) digits is 729, while the sum is 31.

The square root of 990119011 is about 31466.1565972077. The cubic root of 990119011 is about 996.6954288383.

The spelling of 990119011 in words is "nine hundred ninety million, one hundred nineteen thousand, eleven".