2011141465 has 4 divisors (see below), whose sum is σ = 2413369764. Its totient is φ = 1608913168.

The previous prime is 2011141441. The next prime is 2011141477. The reversal of 2011141465 is 5641411102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 875923216 + 1135218249 = 29596^2 + 33693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011141465 is a prime.

It is a super-3 number, since 3×2011141465³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201114142 + ... + 201114151.

It is an arithmetic number, because the mean of its divisors is an integer number (603342441).

Almost surely, 2^2011141465 is an apocalyptic number.

It is an amenable number.

2011141465 is a deficient number, since it is larger than the sum of its proper divisors (402228299).

2011141465 is an equidigital number, since it uses as much as digits as its factorization.

2011141465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402228298.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 2011141465 is about 44845.7519169876. The cubic root of 2011141465 is about 1262.2562799807.

Adding to 2011141465 its reverse (5641411102), we get a palindrome (7652552567).

The spelling of 2011141465 in words is "two billion, eleven million, one hundred forty-one thousand, four hundred sixty-five".