11556183745 has 8 divisors (see below), whose sum is σ = 13868026920. Its totient is φ = 9244542720.

The previous prime is 11556183731. The next prime is 11556183763. The reversal of 11556183745 is 54738165511.

11556183745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1409852304 + 10146331441 = 37548^2 + 100729^2 .

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

It is not a de Polignac number, because 11556183745 - 2²⁹ = 11019312833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11556183695 and 11556183704.

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 7 ways as a sum of consecutive naturals, for example, 141751 + ... + 207859.

It is an arithmetic number, because the mean of its divisors is an integer number (1733503365).

Almost surely, 2^11556183745 is an apocalyptic number.

It is an amenable number.

11556183745 is a deficient number, since it is larger than the sum of its proper divisors (2311843175).

11556183745 is an equidigital number, since it uses as much as digits as its factorization.

11556183745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101075.

The product of its digits is 504000, while the sum is 46.

The spelling of 11556183745 in words is "eleven billion, five hundred fifty-six million, one hundred eighty-three thousand, seven hundred forty-five".