13125011333144 has 8 divisors (see below), whose sum is σ = 24609396249660. Its totient is φ = 6562505666568.

The previous prime is 13125011333131. The next prime is 13125011333171. The reversal of 13125011333144 is 44133311052131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 13125011333144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820313208314 + ... + 820313208329.

Almost surely, 2^{13125011333144} is an apocalyptic number.

It is an amenable number.

13125011333144 is a deficient number, since it is larger than the sum of its proper divisors (11484384916516).

13125011333144 is a wasteful number, since it uses less digits than its factorization.

13125011333144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640626416649 (or 1640626416645 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 13125011333144 its reverse (44133311052131), we get a palindrome (57258322385275).

The spelling of 13125011333144 in words is "thirteen trillion, one hundred twenty-five billion, eleven million, three hundred thirty-three thousand, one hundred forty-four".