220456511110655 has 8 divisors (see below), whose sum is σ = 265305829992000. Its totient is φ = 175859864449056.

The previous prime is 220456511110573. The next prime is 220456511110691. The reversal of 220456511110655 is 556011115654022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220456511110655 - 2¹⁴ = 220456511094271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63168053015 + ... + 63168056504.

It is an arithmetic number, because the mean of its divisors is an integer number (33163228749000).

Almost surely, 2^{220456511110655} is an apocalyptic number.

220456511110655 is a deficient number, since it is larger than the sum of its proper divisors (44849318881345).

220456511110655 is a wasteful number, since it uses less digits than its factorization.

220456511110655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126336109873.

The product of its (nonzero) digits is 360000, while the sum is 44.

Adding to 220456511110655 its reverse (556011115654022), we get a palindrome (776467626764677).

The spelling of 220456511110655 in words is "two hundred twenty trillion, four hundred fifty-six billion, five hundred eleven million, one hundred ten thousand, six hundred fifty-five".