5185707145189 has 4 divisors (see below), whose sum is σ = 5187101531040. Its totient is φ = 5184312759340.

The previous prime is 5185707145159. The next prime is 5185707145193. The reversal of 5185707145189 is 9815417075815.

5185707145189 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5185707145189 - 2³¹ = 5183559661541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185707145159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697187347 + ... + 697194784.

It is an arithmetic number, because the mean of its divisors is an integer number (1296775382760).

Almost surely, 2^{5185707145189} is an apocalyptic number.

It is an amenable number.

5185707145189 is a deficient number, since it is larger than the sum of its proper divisors (1394385851).

5185707145189 is a wasteful number, since it uses less digits than its factorization.

5185707145189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394385850.

The product of its (nonzero) digits is 14112000, while the sum is 61.

The spelling of 5185707145189 in words is "five trillion, one hundred eighty-five billion, seven hundred seven million, one hundred forty-five thousand, one hundred eighty-nine".