13540082451519 has 32 divisors (see below), whose sum is σ = 20800940876800. Its totient is φ = 7764406450560.

The previous prime is 13540082451509. The next prime is 13540082451523. The reversal of 13540082451519 is 91515428004531.

It is not a de Polignac number, because 13540082451519 - 2⁴ = 13540082451503 is a prime.

It is a super-2 number, since 2×13540082451519² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13540082451509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149731159 + ... + 149821560.

It is an arithmetic number, because the mean of its divisors is an integer number (650029402400).

Almost surely, 2^{13540082451519} is an apocalyptic number.

13540082451519 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13540082451519 is a deficient number, since it is larger than the sum of its proper divisors (7260858425281).

13540082451519 is a wasteful number, since it uses less digits than its factorization.

13540082451519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299552815.

The product of its (nonzero) digits is 864000, while the sum is 48.

The spelling of 13540082451519 in words is "thirteen trillion, five hundred forty billion, eighty-two million, four hundred fifty-one thousand, five hundred nineteen".