5558266628555 has 16 divisors (see below), whose sum is σ = 6722630691840. Its totient is φ = 4411474808832.

The previous prime is 5558266628543. The next prime is 5558266628573.

5558266628555 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 5558266628555 - 2⁴ = 5558266628539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26699027 + ... + 26906403.

It is an arithmetic number, because the mean of its divisors is an integer number (420164418240).

Almost surely, 2^{5558266628555} is an apocalyptic number.

5558266628555 is a deficient number, since it is larger than the sum of its proper divisors (1164364063285).

5558266628555 is a wasteful number, since it uses less digits than its factorization.

5558266628555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249718.

The product of its digits is 864000000, while the sum is 68.

The spelling of 5558266628555 in words is "five trillion, five hundred fifty-eight billion, two hundred sixty-six million, six hundred twenty-eight thousand, five hundred fifty-five".