11747319048609 has 4 divisors (see below), whose sum is σ = 15663092064816. Its totient is φ = 7831546032404.

The previous prime is 11747319048589. The next prime is 11747319048623. The reversal of 11747319048609 is 90684091374711.

It is a happy number.

11747319048609 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11747319048609 - 2¹⁶ = 11747318983073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11747319048679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1957886508099 + ... + 1957886508104.

It is an arithmetic number, because the mean of its divisors is an integer number (3915773016204).

Almost surely, 2^{11747319048609} is an apocalyptic number.

It is an amenable number.

11747319048609 is a deficient number, since it is larger than the sum of its proper divisors (3915773016207).

11747319048609 is an equidigital number, since it uses as much as digits as its factorization.

11747319048609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3915773016206.

The product of its (nonzero) digits is 9144576, while the sum is 60.

The spelling of 11747319048609 in words is "eleven trillion, seven hundred forty-seven billion, three hundred nineteen million, forty-eight thousand, six hundred nine".