545453544221311 has 4 divisors (see below), whose sum is σ = 595040230059624. Its totient is φ = 495866858383000.

The previous prime is 545453544221273. The next prime is 545453544221321. The reversal of 545453544221311 is 113122445354545.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 545453544221311 - 2¹¹ = 545453544219263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545453544221321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24793342919140 + ... + 24793342919161.

It is an arithmetic number, because the mean of its divisors is an integer number (148760057514906).

Almost surely, 2^{545453544221311} is an apocalyptic number.

545453544221311 is a deficient number, since it is larger than the sum of its proper divisors (49586685838313).

545453544221311 is a wasteful number, since it uses less digits than its factorization.

545453544221311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49586685838312.

The product of its digits is 5760000, while the sum is 49.

Adding to 545453544221311 its reverse (113122445354545), we get a palindrome (658575989575856).

The spelling of 545453544221311 in words is "five hundred forty-five trillion, four hundred fifty-three billion, five hundred forty-four million, two hundred twenty-one thousand, three hundred eleven".