2011011490 has 32 divisors (see below), whose sum is σ = 3816241920. Its totient is φ = 760886784.

The previous prime is 2011011421. The next prime is 2011011491. The reversal of 2011011490 is 941101102.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (2011011491) 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, 120007 + ... + 135733.

It is an arithmetic number, because the mean of its divisors is an integer number (119257560).

Almost surely, 2^2011011490 is an apocalyptic number.

2011011490 is a deficient number, since it is larger than the sum of its proper divisors (1805230430).

2011011490 is a wasteful number, since it uses less digits than its factorization.

2011011490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16426.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 2011011490 is about 44844.3027596594. The cubic root of 2011011490 is about 1262.2290872484.

Adding to 2011011490 its reverse (941101102), we get a palindrome (2952112592).

The spelling of 2011011490 in words is "two billion, eleven million, eleven thousand, four hundred ninety".