47171820032711 has 16 divisors (see below), whose sum is σ = 52176436357248. Its totient is φ = 42288491944800.

The previous prime is 47171820032653. The next prime is 47171820032749. The reversal of 47171820032711 is 11723002817174.

It is a cyclic number.

It is not a de Polignac number, because 47171820032711 - 2⁴² = 42773773521607 is a prime.

It is a super-2 number, since 2×47171820032711² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47171820038711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47257301 + ... + 48245166.

It is an arithmetic number, because the mean of its divisors is an integer number (3261027272328).

Almost surely, 2^{47171820032711} is an apocalyptic number.

47171820032711 is a deficient number, since it is larger than the sum of its proper divisors (5004616324537).

47171820032711 is a wasteful number, since it uses less digits than its factorization.

47171820032711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95503102.

The product of its (nonzero) digits is 131712, while the sum is 44.

Adding to 47171820032711 its reverse (11723002817174), we get a palindrome (58894822849885).

The spelling of 47171820032711 in words is "forty-seven trillion, one hundred seventy-one billion, eight hundred twenty million, thirty-two thousand, seven hundred eleven".