2011065144 has 64 divisors (see below), whose sum is σ = 5632986240. Its totient is φ = 592940160.

The previous prime is 2011065137. The next prime is 2011065169. The reversal of 2011065144 is 4415601102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93174 + ... + 112709.

It is an arithmetic number, because the mean of its divisors is an integer number (88015410).

Almost surely, 2^2011065144 is an apocalyptic number.

2011065144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2011065144 is an abundant number, since it is smaller than the sum of its proper divisors (3621921096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011065144 is a wasteful number, since it uses less digits than its factorization.

2011065144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205940 (or 205936 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2011065144 is about 44844.9009810480. The cubic root of 2011065144 is about 1262.2403126173.

Adding to 2011065144 its reverse (4415601102), we get a palindrome (6426666246).

The spelling of 2011065144 in words is "two billion, eleven million, sixty-five thousand, one hundred forty-four".