11240054461 has 4 divisors (see below), whose sum is σ = 11268084924. Its totient is φ = 11212024000.

The previous prime is 11240054459. The next prime is 11240054491. The reversal of 11240054461 is 16445004211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16445004211 = 239 ⋅68807549.

It can be written as a sum of positive squares in 2 ways, for example, as 10710180100 + 529874361 = 103490^2 + 23019^2 .

It is a cyclic number.

It is not a de Polignac number, because 11240054461 - 2¹ = 11240054459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11240054401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14014630 + ... + 14015431.

It is an arithmetic number, because the mean of its divisors is an integer number (2817021231).

Almost surely, 2^11240054461 is an apocalyptic number.

It is an amenable number.

11240054461 is a deficient number, since it is larger than the sum of its proper divisors (28030463).

11240054461 is an equidigital number, since it uses as much as digits as its factorization.

11240054461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28030462.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 11240054461 its reverse (16445004211), we get a palindrome (27685058672).

The spelling of 11240054461 in words is "eleven billion, two hundred forty million, fifty-four thousand, four hundred sixty-one".