7137605065565 has 8 divisors (see below), whose sum is σ = 9223981930968. Its totient is φ = 5270846817600.

The previous prime is 7137605065559. The next prime is 7137605065573. The reversal of 7137605065565 is 5655605067317.

7137605065565 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 63377559001 + 7074227506564 = 251749^2 + 2659742^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7137605065565 - 2⁶ = 7137605065501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7137605065565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54904654286 + ... + 54904654415.

It is an arithmetic number, because the mean of its divisors is an integer number (1152997741371).

Almost surely, 2^{7137605065565} is an apocalyptic number.

It is an amenable number.

7137605065565 is a deficient number, since it is larger than the sum of its proper divisors (2086376865403).

7137605065565 is a wasteful number, since it uses less digits than its factorization.

7137605065565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109809308719.

The product of its (nonzero) digits is 19845000, while the sum is 56.

The spelling of 7137605065565 in words is "seven trillion, one hundred thirty-seven billion, six hundred five million, sixty-five thousand, five hundred sixty-five".