556247141742655 has 24 divisors (see below), whose sum is σ = 733975795904400. Its totient is φ = 404388317794560.

The previous prime is 556247141742637. The next prime is 556247141742689.

556247141742655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 556247141742655 - 2¹¹ = 556247141740607 is a prime.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 174622545 + ... + 177779434.

It is an arithmetic number, because the mean of its divisors is an integer number (30582324829350).

Almost surely, 2^{556247141742655} is an apocalyptic number.

556247141742655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

556247141742655 is a deficient number, since it is larger than the sum of its proper divisors (177728654161745).

556247141742655 is a wasteful number, since it uses less digits than its factorization.

556247141742655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352404615 (or 352404604 counting only the distinct ones).

The product of its digits is 282240000, while the sum is 64.

The spelling of 556247141742655 in words is "five hundred fifty-six trillion, two hundred forty-seven billion, one hundred forty-one million, seven hundred forty-two thousand, six hundred fifty-five".