13920196787655 has 8 divisors (see below), whose sum is σ = 22272314860272. Its totient is φ = 7424104953408.

The previous prime is 13920196787641. The next prime is 13920196787681. The reversal of 13920196787655 is 55678769102931.

13920196787655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13920196787655 - 2⁷ = 13920196787527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13920196787655.

It is a congruent number.

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, 464006559574 + ... + 464006559603.

It is an arithmetic number, because the mean of its divisors is an integer number (2784039357534).

Almost surely, 2^{13920196787655} is an apocalyptic number.

13920196787655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13920196787655 is a deficient number, since it is larger than the sum of its proper divisors (8352118072617).

13920196787655 is an equidigital number, since it uses as much as digits as its factorization.

13920196787655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928013119185.

The product of its (nonzero) digits is 171460800, while the sum is 69.

The spelling of 13920196787655 in words is "thirteen trillion, nine hundred twenty billion, one hundred ninety-six million, seven hundred eighty-seven thousand, six hundred fifty-five".