13791225614520 has 128 divisors (see below), whose sum is σ = 43809597921600. Its totient is φ = 3461155332096.

The previous prime is 13791225614423. The next prime is 13791225614539. The reversal of 13791225614520 is 2541652219731.

It is a self number, because there is not a number n which added to its sum of digits gives 13791225614520.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43737586 + ... + 44051774.

Almost surely, 2^{13791225614520} is an apocalyptic number.

13791225614520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13791225614520 is an abundant number, since it is smaller than the sum of its proper divisors (30018372307080).

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

13791225614520 is a wasteful number, since it uses less digits than its factorization.

13791225614520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335737 (or 335733 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 13791225614520 in words is "thirteen trillion, seven hundred ninety-one billion, two hundred twenty-five million, six hundred fourteen thousand, five hundred twenty".