7127680307185 has 16 divisors (see below), whose sum is σ = 8560697236560. Its totient is φ = 5697157939200.

The previous prime is 7127680307177. The next prime is 7127680307263. The reversal of 7127680307185 is 5817030867217.

It can be written as a sum of positive squares in 8 ways, for example, as 1941307182864 + 5186373124321 = 1393308^2 + 2277361^2 .

It is not a de Polignac number, because 7127680307185 - 2³ = 7127680307177 is a prime.

It is a super-2 number, since 2×7127680307185² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67397509 + ... + 67503181.

It is an arithmetic number, because the mean of its divisors is an integer number (535043577285).

Almost surely, 2^{7127680307185} is an apocalyptic number.

It is an amenable number.

7127680307185 is a deficient number, since it is larger than the sum of its proper divisors (1433016929375).

7127680307185 is a wasteful number, since it uses less digits than its factorization.

7127680307185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117348.

The product of its (nonzero) digits is 3951360, while the sum is 55.

The spelling of 7127680307185 in words is "seven trillion, one hundred twenty-seven billion, six hundred eighty million, three hundred seven thousand, one hundred eighty-five".