11473547646 has 64 divisors (see below), whose sum is σ = 26040268800. Its totient is φ = 3338294400.

The previous prime is 11473547641. The next prime is 11473547647. The reversal of 11473547646 is 64674537411.

It is a junction number, because it is equal to n+sod(n) for n = 11473547595 and 11473547604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11473547641) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 329875 + ... + 362993.

It is an arithmetic number, because the mean of its divisors is an integer number (406879200).

Almost surely, 2^11473547646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11473547646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13020134400).

11473547646 is an abundant number, since it is smaller than the sum of its proper divisors (14566721154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11473547646 is a wasteful number, since it uses less digits than its factorization.

11473547646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33345.

The product of its digits is 1693440, while the sum is 48.

The spelling of 11473547646 in words is "eleven billion, four hundred seventy-three million, five hundred forty-seven thousand, six hundred forty-six".