11548555745 has 4 divisors (see below), whose sum is σ = 13858266900. Its totient is φ = 9238844592.

The previous prime is 11548555687. The next prime is 11548555757. The reversal of 11548555745 is 54755584511.

11548555745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54755584511 = 19 ⋅2881872869.

It can be written as a sum of positive squares in 2 ways, for example, as 1224370081 + 10324185664 = 34991^2 + 101608^2 .

It is a cyclic number.

It is not a de Polignac number, because 11548555745 - 2²⁸ = 11280120289 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11548555693 and 11548555702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154855570 + ... + 1154855579.

It is an arithmetic number, because the mean of its divisors is an integer number (3464566725).

Almost surely, 2^11548555745 is an apocalyptic number.

It is an amenable number.

11548555745 is a deficient number, since it is larger than the sum of its proper divisors (2309711155).

11548555745 is an equidigital number, since it uses as much as digits as its factorization.

11548555745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309711154.

The product of its digits is 2800000, while the sum is 50.

The spelling of 11548555745 in words is "eleven billion, five hundred forty-eight million, five hundred fifty-five thousand, seven hundred forty-five".