13540360455 has 48 divisors (see below), whose sum is σ = 23678684640. Its totient is φ = 7157597184.

The previous prime is 13540360441. The next prime is 13540360541. The reversal of 13540360455 is 55406304531.

13540360455 is a `hidden beast` number, since 1 + 3 + 5 + 40 + 3 + 604 + 5 + 5 = 666.

It is not a de Polignac number, because 13540360455 - 2⁴ = 13540360439 is a prime.

It is a super-2 number, since 2×13540360455² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2377251 + ... + 2382939.

It is an arithmetic number, because the mean of its divisors is an integer number (493305930).

Almost surely, 2^13540360455 is an apocalyptic number.

13540360455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13540360455 is a deficient number, since it is larger than the sum of its proper divisors (10138324185).

13540360455 is a wasteful number, since it uses less digits than its factorization.

13540360455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6160 (or 6157 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 13540360455 its reverse (55406304531), we get a palindrome (68946664986).

The spelling of 13540360455 in words is "thirteen billion, five hundred forty million, three hundred sixty thousand, four hundred fifty-five".