1711920080871 has 96 divisors (see below), whose sum is σ = 3352961364480. Its totient is φ = 812772576000.

The previous prime is 1711920080867. The next prime is 1711920080873. The reversal of 1711920080871 is 1780800291171.

It is not a de Polignac number, because 1711920080871 - 2² = 1711920080867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1711920080873) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30801 + ... + 1850618.

It is an arithmetic number, because the mean of its divisors is an integer number (34926680880).

Almost surely, 2^{1711920080871} is an apocalyptic number.

1711920080871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1711920080871 is a deficient number, since it is larger than the sum of its proper divisors (1641041283609).

1711920080871 is a wasteful number, since it uses less digits than its factorization.

1711920080871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881557 (or 1881554 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 45.

The spelling of 1711920080871 in words is "one trillion, seven hundred eleven billion, nine hundred twenty million, eighty thousand, eight hundred seventy-one".