7138580278865 has 16 divisors (see below), whose sum is σ = 9803409132288. Its totient is φ = 4888348387776.

The previous prime is 7138580278831. The next prime is 7138580278867. The reversal of 7138580278865 is 5688720858317.

It is not a de Polignac number, because 7138580278865 - 2¹² = 7138580274769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7138580278795 and 7138580278804.

It is not an unprimeable number, because it can be changed into a prime (7138580278867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139100837 + ... + 139152146.

It is an arithmetic number, because the mean of its divisors is an integer number (612713070768).

Almost surely, 2^{7138580278865} is an apocalyptic number.

It is an amenable number.

7138580278865 is a deficient number, since it is larger than the sum of its proper divisors (2664828853423).

7138580278865 is a wasteful number, since it uses less digits than its factorization.

7138580278865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278253728.

The product of its (nonzero) digits is 180633600, while the sum is 68.

The spelling of 7138580278865 in words is "seven trillion, one hundred thirty-eight billion, five hundred eighty million, two hundred seventy-eight thousand, eight hundred sixty-five".