671155507113 has 32 divisors (see below), whose sum is σ = 1105359634176. Its totient is φ = 352738015488.

The previous prime is 671155507111. The next prime is 671155507163. The reversal of 671155507113 is 311705551176.

It is not a de Polignac number, because 671155507113 - 2¹ = 671155507111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (671155507111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4362006 + ... + 4513247.

It is an arithmetic number, because the mean of its divisors is an integer number (34542488568).

Almost surely, 2^671155507113 is an apocalyptic number.

It is an amenable number.

671155507113 is a deficient number, since it is larger than the sum of its proper divisors (434204127063).

671155507113 is a wasteful number, since it uses less digits than its factorization.

671155507113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8875553.

The product of its (nonzero) digits is 110250, while the sum is 42.

The spelling of 671155507113 in words is "six hundred seventy-one billion, one hundred fifty-five million, five hundred seven thousand, one hundred thirteen".