11323705553 has 2 divisors, whose sum is σ = 11323705554. Its totient is φ = 11323705552.

The previous prime is 11323705531. The next prime is 11323705579. The reversal of 11323705553 is 35550732311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7980206224 + 3343499329 = 89332^2 + 57823^2 .

It is a cyclic number.

It is not a de Polignac number, because 11323705553 - 2⁶ = 11323705489 is a prime.

It is not a weakly prime, because it can be changed into another prime (11323705153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661852776 + 5661852777.

It is an arithmetic number, because the mean of its divisors is an integer number (5661852777).

Almost surely, 2^11323705553 is an apocalyptic number.

It is an amenable number.

11323705553 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323705553 is an equidigital number, since it uses as much as digits as its factorization.

11323705553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47250, while the sum is 35.

The spelling of 11323705553 in words is "eleven billion, three hundred twenty-three million, seven hundred five thousand, five hundred fifty-three".