13215153044044 has 24 divisors (see below), whose sum is σ = 26432339760288. Its totient is φ = 5663201232000.

The previous prime is 13215153044033. The next prime is 13215153044077. The reversal of 13215153044044 is 44044035151231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13215153043994 and 13215153044012.

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, 17787259 + ... + 18515314.

It is an arithmetic number, because the mean of its divisors is an integer number (1101347490012).

Almost surely, 2^{13215153044044} is an apocalyptic number.

13215153044044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13215153044044 is an abundant number, since it is smaller than the sum of its proper divisors (13217186716244).

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

13215153044044 is a wasteful number, since it uses less digits than its factorization.

13215153044044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36315585 (or 36315583 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 13215153044044 its reverse (44044035151231), we get a palindrome (57259188195275).

The spelling of 13215153044044 in words is "thirteen trillion, two hundred fifteen billion, one hundred fifty-three million, forty-four thousand, forty-four".