13542544524531 has 16 divisors (see below), whose sum is σ = 19698350878080. Its totient is φ = 8207559285120.

The previous prime is 13542544524511. The next prime is 13542544524547.

It is a happy number.

13542544524531 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13542544524531 - 2⁴³ = 4746451502323 is a prime.

It is a super-2 number, since 2×13542544524531² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13542544524511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5913835 + ... + 7877723.

It is an arithmetic number, because the mean of its divisors is an integer number (1231146929880).

Almost surely, 2^{13542544524531} is an apocalyptic number.

13542544524531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13542544524531 is a deficient number, since it is larger than the sum of its proper divisors (6155806353549).

13542544524531 is a wasteful number, since it uses less digits than its factorization.

13542544524531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172866.

The product of its digits is 5760000, while the sum is 48.

It can be divided in two parts, 1354254 and 4524531, that added together give a palindrome (5878785).

The spelling of 13542544524531 in words is "thirteen trillion, five hundred forty-two billion, five hundred forty-four million, five hundred twenty-four thousand, five hundred thirty-one".