13545444265 has 16 divisors (see below), whose sum is σ = 17357460480. Its totient is φ = 10125178560.

The previous prime is 13545444247. The next prime is 13545444277. The reversal of 13545444265 is 56244454531.

It is not a de Polignac number, because 13545444265 - 2⁷ = 13545444137 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1502229 + ... + 1511218.

It is an arithmetic number, because the mean of its divisors is an integer number (1084841280).

Almost surely, 2^13545444265 is an apocalyptic number.

It is an amenable number.

13545444265 is a deficient number, since it is larger than the sum of its proper divisors (3812016215).

13545444265 is a wasteful number, since it uses less digits than its factorization.

13545444265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013512.

The product of its digits is 1152000, while the sum is 43.

Adding to 13545444265 its reverse (56244454531), we get a palindrome (69789898796).

The spelling of 13545444265 in words is "thirteen billion, five hundred forty-five million, four hundred forty-four thousand, two hundred sixty-five".