11547822145 has 8 divisors (see below), whose sum is σ = 13859220456. Its totient is φ = 9237035136.

The previous prime is 11547822133. The next prime is 11547822149. The reversal of 11547822145 is 54122874511.

It can be written as a sum of positive squares in 4 ways, for example, as 6056419329 + 5491402816 = 77823^2 + 74104^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11547822145 - 2⁵ = 11547822113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11547822098 and 11547822107.

It is not an unprimeable number, because it can be changed into a prime (11547822149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110182 + ... + 187711.

It is an arithmetic number, because the mean of its divisors is an integer number (1732402557).

Almost surely, 2^11547822145 is an apocalyptic number.

It is an amenable number.

11547822145 is a deficient number, since it is larger than the sum of its proper divisors (2311398311).

11547822145 is an equidigital number, since it uses as much as digits as its factorization.

11547822145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305651.

The product of its digits is 89600, while the sum is 40.

The spelling of 11547822145 in words is "eleven billion, five hundred forty-seven million, eight hundred twenty-two thousand, one hundred forty-five".