13215240112144 has 40 divisors (see below), whose sum is σ = 29264774623040. Its totient is φ = 5663198740608.

The previous prime is 13215240112043. The next prime is 13215240112159. The reversal of 13215240112144 is 44121104251231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3612759 + ... + 6283510.

It is an arithmetic number, because the mean of its divisors is an integer number (731619365576).

Almost surely, 2^{13215240112144} is an apocalyptic number.

13215240112144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13215240112144 is an abundant number, since it is smaller than the sum of its proper divisors (16049534510896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13215240112144 is a wasteful number, since it uses less digits than its factorization.

13215240112144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9908207 (or 9908201 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 13215240112144 its reverse (44121104251231), we get a palindrome (57336344363375).

The spelling of 13215240112144 in words is "thirteen trillion, two hundred fifteen billion, two hundred forty million, one hundred twelve thousand, one hundred forty-four".