555564727465555 has 16 divisors (see below), whose sum is σ = 670173476825088. Its totient is φ = 442121283180000.

The previous prime is 555564727465549. The next prime is 555564727465637.

555564727465555 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-555564727465555 is a prime.

It is a super-3 number, since 3×555564727465555³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120911980 + ... + 125422630.

It is an arithmetic number, because the mean of its divisors is an integer number (41885842301568).

Almost surely, 2^{555564727465555} is an apocalyptic number.

555564727465555 is a deficient number, since it is larger than the sum of its proper divisors (114608749359533).

555564727465555 is a wasteful number, since it uses less digits than its factorization.

555564727465555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4639818.

The product of its digits is 22050000000, while the sum is 76.

The spelling of 555564727465555 in words is "five hundred fifty-five trillion, five hundred sixty-four billion, seven hundred twenty-seven million, four hundred sixty-five thousand, five hundred fifty-five".