12915603144 has 32 divisors (see below), whose sum is σ = 35876676000. Its totient is φ = 4305200976.

The previous prime is 12915603101. The next prime is 12915603157. The reversal of 12915603144 is 44130651921.

It is a happy number.

12915603144 is a `hidden beast` number, since 1 + 2 + 9 + 1 + 5 + 603 + 1 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12915603099 and 12915603108.

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, 29897014 + ... + 29897445.

It is an arithmetic number, because the mean of its divisors is an integer number (1121146125).

Almost surely, 2^12915603144 is an apocalyptic number.

It is an amenable number.

12915603144 is an abundant number, since it is smaller than the sum of its proper divisors (22961072856).

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

12915603144 is a wasteful number, since it uses less digits than its factorization.

12915603144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59794474 (or 59794464 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 12915603144 in words is "twelve billion, nine hundred fifteen million, six hundred three thousand, one hundred forty-four".