13215153144 has 64 divisors (see below), whose sum is σ = 35975952000. Its totient is φ = 4029298560.

The previous prime is 13215153139. The next prime is 13215153151. The reversal of 13215153144 is 44135151231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486442 + ... + 512889.

It is an arithmetic number, because the mean of its divisors is an integer number (562124250).

Almost surely, 2^13215153144 is an apocalyptic number.

It is an amenable number.

13215153144 is an abundant number, since it is smaller than the sum of its proper divisors (22760798856).

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

13215153144 is a wasteful number, since it uses less digits than its factorization.

13215153144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999388 (or 999384 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The spelling of 13215153144 in words is "thirteen billion, two hundred fifteen million, one hundred fifty-three thousand, one hundred forty-four".