471111781711 has 16 divisors (see below), whose sum is σ = 476194295808. Its totient is φ = 466058678400.

The previous prime is 471111781669. The next prime is 471111781739. The reversal of 471111781711 is 117187111174.

It is a cyclic number.

It is not a de Polignac number, because 471111781711 - 2²⁷ = 470977563983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471111781211) 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, 97516066 + ... + 97520896.

It is an arithmetic number, because the mean of its divisors is an integer number (29762143488).

Almost surely, 2^471111781711 is an apocalyptic number.

471111781711 is a deficient number, since it is larger than the sum of its proper divisors (5082514097).

471111781711 is a wasteful number, since it uses less digits than its factorization.

471111781711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7662.

The product of its digits is 10976, while the sum is 40.

Adding to 471111781711 its reverse (117187111174), we get a palindrome (588298892885).

The spelling of 471111781711 in words is "four hundred seventy-one billion, one hundred eleven million, seven hundred eighty-one thousand, seven hundred eleven".