11043321121413 has 384 divisors, whose sum is σ = 20487168000000. Its totient is φ = 5706825062400.

The previous prime is 11043321121411. The next prime is 11043321121423. The reversal of 11043321121413 is 31412112334011.

11043321121413 is a `hidden beast` number, since 1 + 1 + 0 + 4 + 33 + 211 + 2 + 1 + 413 = 666.

It is not a de Polignac number, because 11043321121413 - 2¹ = 11043321121411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043321121411) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 55494075888 + ... + 55494076086.

It is an arithmetic number, because the mean of its divisors is an integer number (53352000000).

Almost surely, 2^{11043321121413} is an apocalyptic number.

It is an amenable number.

11043321121413 is a deficient number, since it is larger than the sum of its proper divisors (9443846878587).

11043321121413 is a wasteful number, since it uses less digits than its factorization.

11043321121413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 11043321121413 its reverse (31412112334011), we get a palindrome (42455433455424).

The spelling of 11043321121413 in words is "eleven trillion, forty-three billion, three hundred twenty-one million, one hundred twenty-one thousand, four hundred thirteen".