1305552223355 has 16 divisors (see below), whose sum is σ = 1605805828704. Its totient is φ = 1018375921920.

The previous prime is 1305552223351. The next prime is 1305552223397. The reversal of 1305552223355 is 5533222555031.

It is not a de Polignac number, because 1305552223355 - 2² = 1305552223351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1305552223351) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1494884 + ... + 2201313.

It is an arithmetic number, because the mean of its divisors is an integer number (100362864294).

Almost surely, 2^{1305552223355} is an apocalyptic number.

1305552223355 is a deficient number, since it is larger than the sum of its proper divisors (300253605349).

1305552223355 is a wasteful number, since it uses less digits than its factorization.

1305552223355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697966.

The product of its (nonzero) digits is 675000, while the sum is 41.

Adding to 1305552223355 its reverse (5533222555031), we get a palindrome (6838774778386).

The spelling of 1305552223355 in words is "one trillion, three hundred five billion, five hundred fifty-two million, two hundred twenty-three thousand, three hundred fifty-five".