13717117461278 has 48 divisors (see below), whose sum is σ = 25862154589152. Its totient is φ = 5341224979200.

The previous prime is 13717117461277. The next prime is 13717117461353. The reversal of 13717117461278 is 87216471171731.

It is a super-2 number, since 2×13717117461278² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13717117461277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 562826 + ... + 5267922.

It is an arithmetic number, because the mean of its divisors is an integer number (538794887274).

Almost surely, 2^{13717117461278} is an apocalyptic number.

13717117461278 is a deficient number, since it is larger than the sum of its proper divisors (12145037127874).

13717117461278 is a wasteful number, since it uses less digits than its factorization.

13717117461278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4706849 (or 4706838 counting only the distinct ones).

The product of its digits is 2765952, while the sum is 56.

The spelling of 13717117461278 in words is "thirteen trillion, seven hundred seventeen billion, one hundred seventeen million, four hundred sixty-one thousand, two hundred seventy-eight".