11404353553 has 2 divisors, whose sum is σ = 11404353554. Its totient is φ = 11404353552.

The previous prime is 11404353547. The next prime is 11404353607. The reversal of 11404353553 is 35535340411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11247026704 + 157326849 = 106052^2 + 12543^2 .

It is a cyclic number.

It is not a de Polignac number, because 11404353553 - 2¹³ = 11404345361 is a prime.

It is not a weakly prime, because it can be changed into another prime (11404353503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5702176776 + 5702176777.

It is an arithmetic number, because the mean of its divisors is an integer number (5702176777).

Almost surely, 2^11404353553 is an apocalyptic number.

It is an amenable number.

11404353553 is a deficient number, since it is larger than the sum of its proper divisors (1).

11404353553 is an equidigital number, since it uses as much as digits as its factorization.

11404353553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 11404353553 its reverse (35535340411), we get a palindrome (46939693964).

The spelling of 11404353553 in words is "eleven billion, four hundred four million, three hundred fifty-three thousand, five hundred fifty-three".