1323545245455 has 16 divisors (see below), whose sum is σ = 2117713094784. Its totient is φ = 705877230240.

The previous prime is 1323545245423. The next prime is 1323545245457. The reversal of 1323545245455 is 5545425453231.

It is not a de Polignac number, because 1323545245455 - 2⁵ = 1323545245423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323545245457) 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, 15129 + ... + 1627058.

It is an arithmetic number, because the mean of its divisors is an integer number (132357068424).

Almost surely, 2^{1323545245455} is an apocalyptic number.

1323545245455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1323545245455 is a deficient number, since it is larger than the sum of its proper divisors (794167849329).

1323545245455 is a wasteful number, since it uses less digits than its factorization.

1323545245455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695926.

The product of its digits is 7200000, while the sum is 48.

The spelling of 1323545245455 in words is "one trillion, three hundred twenty-three billion, five hundred forty-five million, two hundred forty-five thousand, four hundred fifty-five".