5505566156651 has 16 divisors (see below), whose sum is σ = 6027376485120. Its totient is φ = 4987337793120.

The previous prime is 5505566156641. The next prime is 5505566156653. The reversal of 5505566156651 is 1566516655055.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5505566156651 is a prime.

It is a super-2 number, since 2×5505566156651² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5505566156653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2746010 + ... + 4307168.

It is an arithmetic number, because the mean of its divisors is an integer number (376711030320).

Almost surely, 2^{5505566156651} is an apocalyptic number.

5505566156651 is a deficient number, since it is larger than the sum of its proper divisors (521810328469).

5505566156651 is a wasteful number, since it uses less digits than its factorization.

5505566156651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562306.

The product of its (nonzero) digits is 20250000, while the sum is 56.

The spelling of 5505566156651 in words is "five trillion, five hundred five billion, five hundred sixty-six million, one hundred fifty-six thousand, six hundred fifty-one".