11147392905985 has 16 divisors (see below), whose sum is σ = 15298780896000. Its totient is φ = 7638462680256.

The previous prime is 11147392905931. The next prime is 11147392906057. The reversal of 11147392905985 is 58950929374111.

It is a cyclic number.

It is not a de Polignac number, because 11147392905985 - 2¹¹ = 11147392903937 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113781250 + ... + 113879179.

It is an arithmetic number, because the mean of its divisors is an integer number (956173806000).

Almost surely, 2^{11147392905985} is an apocalyptic number.

It is an amenable number.

11147392905985 is a deficient number, since it is larger than the sum of its proper divisors (4151387990015).

11147392905985 is a wasteful number, since it uses less digits than its factorization.

11147392905985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227661840.

The product of its (nonzero) digits is 24494400, while the sum is 64.

The spelling of 11147392905985 in words is "eleven trillion, one hundred forty-seven billion, three hundred ninety-two million, nine hundred five thousand, nine hundred eighty-five".