13551560027265 has 64 divisors (see below), whose sum is σ = 25648015196160. Its totient is φ = 6045603505920.

The previous prime is 13551560027261. The next prime is 13551560027287. The reversal of 13551560027265 is 56272006515531.

It is not a de Polignac number, because 13551560027265 - 2² = 13551560027261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13551560027261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79428721 + ... + 79599150.

It is an arithmetic number, because the mean of its divisors is an integer number (400750237440).

Almost surely, 2^{13551560027265} is an apocalyptic number.

13551560027265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13551560027265 is a deficient number, since it is larger than the sum of its proper divisors (12096455168895).

13551560027265 is a wasteful number, since it uses less digits than its factorization.

13551560027265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159027934.

The product of its (nonzero) digits is 1890000, while the sum is 48.

The spelling of 13551560027265 in words is "thirteen trillion, five hundred fifty-one billion, five hundred sixty million, twenty-seven thousand, two hundred sixty-five".