11240441421 has 16 divisors (see below), whose sum is σ = 16362401088. Its totient is φ = 6807110400.

The previous prime is 11240441411. The next prime is 11240441431. The reversal of 11240441421 is 12414404211.

It is an interprime number because it is at equal distance from previous prime (11240441411) and next prime (11240441431).

It is not a de Polignac number, because 11240441421 - 2⁶ = 11240441357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11240441391 and 11240441400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11240441411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88510 + ... + 174111.

It is an arithmetic number, because the mean of its divisors is an integer number (1022650068).

Almost surely, 2^11240441421 is an apocalyptic number.

11240441421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11240441421 is a deficient number, since it is larger than the sum of its proper divisors (5121959667).

11240441421 is a wasteful number, since it uses less digits than its factorization.

11240441421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263932.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 11240441421 its reverse (12414404211), we get a palindrome (23654845632).

The spelling of 11240441421 in words is "eleven billion, two hundred forty million, four hundred forty-one thousand, four hundred twenty-one".