13255023011544 has 96 divisors (see below), whose sum is σ = 38373502658400. Its totient is φ = 4123160194560.

The previous prime is 13255023011537. The next prime is 13255023011579. The reversal of 13255023011544 is 44511032055231.

13255023011544 is a `hidden beast` number, since 1 + 3 + 2 + 5 + 502 + 30 + 115 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13255023011499 and 13255023011508.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 97544799 + ... + 97680590.

It is an arithmetic number, because the mean of its divisors is an integer number (399723986025).

Almost surely, 2^{13255023011544} is an apocalyptic number.

It is an amenable number.

13255023011544 is an abundant number, since it is smaller than the sum of its proper divisors (25118479646856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13255023011544 is a wasteful number, since it uses less digits than its factorization.

13255023011544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195225465 (or 195225458 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 13255023011544 its reverse (44511032055231), we get a palindrome (57766055066775).

The spelling of 13255023011544 in words is "thirteen trillion, two hundred fifty-five billion, twenty-three million, eleven thousand, five hundred forty-four".