13781095913366 has 4 divisors (see below), whose sum is σ = 20671643870052. Its totient is φ = 6890547956682.

The previous prime is 13781095913309. The next prime is 13781095913423. The reversal of 13781095913366 is 66331959018731.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13781095913309) and next prime (13781095913423).

It is a junction number, because it is equal to n+sod(n) for n = 13781095913299 and 13781095913308.

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, 3445273978340 + ... + 3445273978343.

It is an arithmetic number, because the mean of its divisors is an integer number (5167910967513).

Almost surely, 2^{13781095913366} is an apocalyptic number.

13781095913366 is a deficient number, since it is larger than the sum of its proper divisors (6890547956686).

13781095913366 is an equidigital number, since it uses as much as digits as its factorization.

13781095913366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6890547956685.

The product of its (nonzero) digits is 22044960, while the sum is 62.

The spelling of 13781095913366 in words is "thirteen trillion, seven hundred eighty-one billion, ninety-five million, nine hundred thirteen thousand, three hundred sixty-six".