55115774173265 has 16 divisors (see below), whose sum is σ = 71226854485248. Its totient is φ = 40700699073216.

The previous prime is 55115774173231. The next prime is 55115774173307. The reversal of 55115774173265 is 56237147751155.

It is a de Polignac number, because none of the positive numbers 2^k-55115774173265 is a prime.

It is a super-3 number, since 3×55115774173265³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13920764 + ... + 17436146.

It is an arithmetic number, because the mean of its divisors is an integer number (4451678405328).

Almost surely, 2^{55115774173265} is an apocalyptic number.

It is an amenable number.

55115774173265 is a deficient number, since it is larger than the sum of its proper divisors (16111080311983).

55115774173265 is a wasteful number, since it uses less digits than its factorization.

55115774173265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756608.

The product of its digits is 30870000, while the sum is 59.

The spelling of 55115774173265 in words is "fifty-five trillion, one hundred fifteen billion, seven hundred seventy-four million, one hundred seventy-three thousand, two hundred sixty-five".