671108534005 has 64 divisors (see below), whose sum is σ = 1001416485888. Its totient is φ = 420405811200.

The previous prime is 671108533969. The next prime is 671108534009. The reversal of 671108534005 is 500435801176.

It is a happy number.

It is not a de Polignac number, because 671108534005 - 2¹⁷ = 671108402933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671108534009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100147155 + ... + 100153855.

It is an arithmetic number, because the mean of its divisors is an integer number (15647132592).

Almost surely, 2^671108534005 is an apocalyptic number.

671108534005 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

671108534005 is a deficient number, since it is larger than the sum of its proper divisors (330307951883).

671108534005 is a wasteful number, since it uses less digits than its factorization.

671108534005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8966.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 671108534005 in words is "six hundred seventy-one billion, one hundred eight million, five hundred thirty-four thousand, five".