6115555602265 has 4 divisors (see below), whose sum is σ = 7338666722724. Its totient is φ = 4892444481808.

The previous prime is 6115555602137. The next prime is 6115555602269. The reversal of 6115555602265 is 5622065555116.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4396457013529 + 1719098588736 = 2096773^2 + 1311144^2 .

It is a cyclic number.

It is not a de Polignac number, because 6115555602265 - 2⁷ = 6115555602137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6115555602269) 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, 611555560222 + ... + 611555560231.

It is an arithmetic number, because the mean of its divisors is an integer number (1834666680681).

Almost surely, 2^{6115555602265} is an apocalyptic number.

It is an amenable number.

6115555602265 is a deficient number, since it is larger than the sum of its proper divisors (1223111120459).

6115555602265 is a wasteful number, since it uses less digits than its factorization.

6115555602265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223111120458.

The product of its (nonzero) digits is 2700000, while the sum is 49.

The spelling of 6115555602265 in words is "six trillion, one hundred fifteen billion, five hundred fifty-five million, six hundred two thousand, two hundred sixty-five".