671063787111 has 8 divisors (see below), whose sum is σ = 899293603824. Its totient is φ = 445104914240.

The previous prime is 671063787103. The next prime is 671063787137. The reversal of 671063787111 is 111787360176.

671063787111 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 671063787111 - 2³ = 671063787103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671063787811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567735270 + ... + 567736451.

It is an arithmetic number, because the mean of its divisors is an integer number (112411700478).

Almost surely, 2^671063787111 is an apocalyptic number.

671063787111 is a deficient number, since it is larger than the sum of its proper divisors (228229816713).

671063787111 is a wasteful number, since it uses less digits than its factorization.

671063787111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135471921.

The product of its (nonzero) digits is 296352, while the sum is 48.

The spelling of 671063787111 in words is "six hundred seventy-one billion, sixty-three million, seven hundred eighty-seven thousand, one hundred eleven".