47111216505 has 16 divisors (see below), whose sum is σ = 76655540160. Its totient is φ = 24700117568.

The previous prime is 47111216497. The next prime is 47111216521. The reversal of 47111216505 is 50561211174.

47111216505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 47111216505 - 2³ = 47111216497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26615622 + ... + 26617391.

It is an arithmetic number, because the mean of its divisors is an integer number (4790971260).

Almost surely, 2^47111216505 is an apocalyptic number.

It is an amenable number.

47111216505 is a deficient number, since it is larger than the sum of its proper divisors (29544323655).

47111216505 is a wasteful number, since it uses less digits than its factorization.

47111216505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53233080.

The product of its (nonzero) digits is 8400, while the sum is 33.

Adding to 47111216505 its reverse (50561211174), we get a palindrome (97672427679).

The spelling of 47111216505 in words is "forty-seven billion, one hundred eleven million, two hundred sixteen thousand, five hundred five".