13154240520105 has 32 divisors (see below), whose sum is σ = 21557590158720. Its totient is φ = 6845649914880.

The previous prime is 13154240520073. The next prime is 13154240520119. The reversal of 13154240520105 is 50102504245131.

It is not a de Polignac number, because 13154240520105 - 2⁵ = 13154240520073 is a prime.

It is a super-2 number, since 2×13154240520105² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9455326 + ... + 10756935.

It is an arithmetic number, because the mean of its divisors is an integer number (673674692460).

Almost surely, 2^{13154240520105} is an apocalyptic number.

13154240520105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13154240520105 is a deficient number, since it is larger than the sum of its proper divisors (8403349638615).

13154240520105 is a wasteful number, since it uses less digits than its factorization.

13154240520105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20213321.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 13154240520105 its reverse (50102504245131), we get a palindrome (63256744765236).

The spelling of 13154240520105 in words is "thirteen trillion, one hundred fifty-four billion, two hundred forty million, five hundred twenty thousand, one hundred five".