11944916747 has 4 divisors (see below), whose sum is σ = 11945624856. Its totient is φ = 11944208640.

The previous prime is 11944916729. The next prime is 11944916779. The reversal of 11944916747 is 74761944911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11944916747 - 2³² = 7649949451 is a prime.

It is a super-2 number, since 2×11944916747² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11944916707) 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, 328118 + ... + 362699.

It is an arithmetic number, because the mean of its divisors is an integer number (2986406214).

Almost surely, 2^11944916747 is an apocalyptic number.

11944916747 is a deficient number, since it is larger than the sum of its proper divisors (708109).

11944916747 is an equidigital number, since it uses as much as digits as its factorization.

11944916747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708108.

The product of its digits is 1524096, while the sum is 53.

The spelling of 11944916747 in words is "eleven billion, nine hundred forty-four million, nine hundred sixteen thousand, seven hundred forty-seven".