11440402011 has 10 divisors (see below), whose sum is σ = 17089983372. Its totient is φ = 7626934620.

The previous prime is 11440401997. The next prime is 11440402091. The reversal of 11440402011 is 11020404411.

It is not a de Polignac number, because 11440402011 - 2¹³ = 11440393819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11440402091) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 70619685 + ... + 70619846.

Almost surely, 2^11440402011 is an apocalyptic number.

11440402011 is a deficient number, since it is larger than the sum of its proper divisors (5649581361).

11440402011 is an equidigital number, since it uses as much as digits as its factorization.

11440402011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141239543 (or 141239534 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11440402011 its reverse (11020404411), we get a palindrome (22460806422).

The spelling of 11440402011 in words is "eleven billion, four hundred forty million, four hundred two thousand, eleven".