5556516156555 has 32 divisors (see below), whose sum is σ = 10942062587904. Its totient is φ = 2344727696256.

The previous prime is 5556516156463. The next prime is 5556516156559.

It is a happy number.

5556516156555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5556516156555 - 2⁹ = 5556516156043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5556516156559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2035352539 + ... + 2035355268.

It is an arithmetic number, because the mean of its divisors is an integer number (341939455872).

Almost surely, 2^{5556516156555} is an apocalyptic number.

5556516156555 is a deficient number, since it is larger than the sum of its proper divisors (5385546431349).

5556516156555 is a wasteful number, since it uses less digits than its factorization.

5556516156555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070707835.

The product of its digits is 84375000, while the sum is 60.

The spelling of 5556516156555 in words is "five trillion, five hundred fifty-six billion, five hundred sixteen million, one hundred fifty-six thousand, five hundred fifty-five".