13140504451545 has 16 divisors (see below), whose sum is σ = 21057505127232. Its totient is φ = 6997369705920.

The previous prime is 13140504451517. The next prime is 13140504451619. The reversal of 13140504451545 is 54515440504131.

It is a happy number.

It is not a de Polignac number, because 13140504451545 - 2⁸ = 13140504451289 is a prime.

It is a super-2 number, since 2×13140504451545² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13140504451497 and 13140504451506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681198466 + ... + 681217755.

It is an arithmetic number, because the mean of its divisors is an integer number (1316094070452).

Almost surely, 2^{13140504451545} is an apocalyptic number.

13140504451545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13140504451545 is a deficient number, since it is larger than the sum of its proper divisors (7917000675687).

13140504451545 is a wasteful number, since it uses less digits than its factorization.

13140504451545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362416872.

The product of its (nonzero) digits is 480000, while the sum is 42.

Adding to 13140504451545 its reverse (54515440504131), we get a palindrome (67655944955676).

The spelling of 13140504451545 in words is "thirteen trillion, one hundred forty billion, five hundred four million, four hundred fifty-one thousand, five hundred forty-five".