13028978747295 has 144 divisors (see below), whose sum is σ = 26440832920320. Its totient is φ = 5917632795648.

The previous prime is 13028978747273. The next prime is 13028978747329. The reversal of 13028978747295 is 59274787982031.

It is a happy number.

13028978747295 is a `hidden beast` number, since 1 + 3 + 0 + 2 + 89 + 78 + 7 + 472 + 9 + 5 = 666.

It is not a de Polignac number, because 13028978747295 - 2¹¹ = 13028978745247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 250256907 + ... + 250308963.

It is an arithmetic number, because the mean of its divisors is an integer number (183616895280).

Almost surely, 2^{13028978747295} is an apocalyptic number.

13028978747295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13028978747295 is an abundant number, since it is smaller than the sum of its proper divisors (13411854173025).

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

13028978747295 is a wasteful number, since it uses less digits than its factorization.

13028978747295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52814 (or 52804 counting only the distinct ones).

The product of its (nonzero) digits is 426746880, while the sum is 72.

The spelling of 13028978747295 in words is "thirteen trillion, twenty-eight billion, nine hundred seventy-eight million, seven hundred forty-seven thousand, two hundred ninety-five".