11403050440221 has 24 divisors (see below), whose sum is σ = 18076038611904. Its totient is φ = 6869556778560.

The previous prime is 11403050440213. The next prime is 11403050440267. The reversal of 11403050440221 is 12204405030411.

11403050440221 is a `hidden beast` number, since 1 + 140 + 30 + 50 + 440 + 2 + 2 + 1 = 666.

It is not a de Polignac number, because 11403050440221 - 2³ = 11403050440213 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403050440121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 344840736 + ... + 344873801.

It is an arithmetic number, because the mean of its divisors is an integer number (753168275496).

Almost surely, 2^{11403050440221} is an apocalyptic number.

11403050440221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11403050440221 is a deficient number, since it is larger than the sum of its proper divisors (6672988171683).

11403050440221 is a wasteful number, since it uses less digits than its factorization.

11403050440221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689714721 (or 689714718 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 11403050440221 its reverse (12204405030411), we get a palindrome (23607455470632).

The spelling of 11403050440221 in words is "eleven trillion, four hundred three billion, fifty million, four hundred forty thousand, two hundred twenty-one".