11847954563 has 4 divisors (see below), whose sum is σ = 11848277640. Its totient is φ = 11847631488.

The previous prime is 11847954527. The next prime is 11847954571. The reversal of 11847954563 is 36545974811.

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 11847954563 - 2¹² = 11847950467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11847954163) 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 3 ways as a sum of consecutive naturals, for example, 98270 + ... + 182627.

It is an arithmetic number, because the mean of its divisors is an integer number (2962069410).

Almost surely, 2^11847954563 is an apocalyptic number.

11847954563 is a deficient number, since it is larger than the sum of its proper divisors (323077).

11847954563 is an equidigital number, since it uses as much as digits as its factorization.

11847954563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323076.

The product of its digits is 3628800, while the sum is 53.

The spelling of 11847954563 in words is "eleven billion, eight hundred forty-seven million, nine hundred fifty-four thousand, five hundred sixty-three".