47181480117 has 4 divisors (see below), whose sum is σ = 62908640160. Its totient is φ = 31454320076.

The previous prime is 47181480109. The next prime is 47181480127. The reversal of 47181480117 is 71108418174.

It is a happy number.

47181480117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47181480117 - 2³ = 47181480109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47181480127) 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, 7863580017 + ... + 7863580022.

It is an arithmetic number, because the mean of its divisors is an integer number (15727160040).

Almost surely, 2^47181480117 is an apocalyptic number.

It is an amenable number.

47181480117 is a deficient number, since it is larger than the sum of its proper divisors (15727160043).

47181480117 is a wasteful number, since it uses less digits than its factorization.

47181480117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15727160042.

The product of its (nonzero) digits is 50176, while the sum is 42.

The spelling of 47181480117 in words is "forty-seven billion, one hundred eighty-one million, four hundred eighty thousand, one hundred seventeen".