671155501520005 has 8 divisors (see below), whose sum is σ = 805386905557632. Its totient is φ = 536924198726928.

The previous prime is 671155501519963. The next prime is 671155501520051. The reversal of 671155501520005 is 500025105551176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 671155501520005 - 2³⁵ = 671121141781637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9870969 + ... + 37943998.

It is an arithmetic number, because the mean of its divisors is an integer number (100673363194704).

Almost surely, 2^{671155501520005} is an apocalyptic number.

It is an amenable number.

671155501520005 is a deficient number, since it is larger than the sum of its proper divisors (134231404037627).

671155501520005 is a wasteful number, since it uses less digits than its factorization.

671155501520005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50622275.

The product of its (nonzero) digits is 262500, while the sum is 43.

The spelling of 671155501520005 in words is "six hundred seventy-one trillion, one hundred fifty-five billion, five hundred one million, five hundred twenty thousand, five".