47840071111 has 4 divisors (see below), whose sum is σ = 54674366992. Its totient is φ = 41005775232.

The previous prime is 47840071043. The next prime is 47840071163. The reversal of 47840071111 is 11117004874.

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 47840071111 - 2⁷ = 47840070983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47840071511) 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, 3417147930 + ... + 3417147943.

It is an arithmetic number, because the mean of its divisors is an integer number (13668591748).

Almost surely, 2^47840071111 is an apocalyptic number.

47840071111 is a deficient number, since it is larger than the sum of its proper divisors (6834295881).

47840071111 is an equidigital number, since it uses as much as digits as its factorization.

47840071111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6834295880.

The product of its (nonzero) digits is 6272, while the sum is 34.

Adding to 47840071111 its reverse (11117004874), we get a palindrome (58957075985).

The spelling of 47840071111 in words is "forty-seven billion, eight hundred forty million, seventy-one thousand, one hundred eleven".