475716721711 has 16 divisors (see below), whose sum is σ = 607567258368. Its totient is φ = 361647172800.

The previous prime is 475716721703. The next prime is 475716721717. The reversal of 475716721711 is 117127617574.

It is a cyclic number.

It is not a de Polignac number, because 475716721711 - 2³ = 475716721703 is a prime.

It is a super-2 number, since 2×475716721711² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475716721717) 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, 75340005 + ... + 75346318.

It is an arithmetic number, because the mean of its divisors is an integer number (37972953648).

Almost surely, 2^475716721711 is an apocalyptic number.

475716721711 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

475716721711 is a deficient number, since it is larger than the sum of its proper divisors (131850536657).

475716721711 is a wasteful number, since it uses less digits than its factorization.

475716721711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150686382.

The product of its digits is 576240, while the sum is 49.

The spelling of 475716721711 in words is "four hundred seventy-five billion, seven hundred sixteen million, seven hundred twenty-one thousand, seven hundred eleven".