1381155063673 has 8 divisors (see below), whose sum is σ = 1721959560000. Its totient is φ = 1076224724880.

The previous prime is 1381155063641. The next prime is 1381155063719. The reversal of 1381155063673 is 3763605511831.

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

It is a cyclic number.

It is not a de Polignac number, because 1381155063673 - 2⁵ = 1381155063641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1381155063173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8968539298 + ... + 8968539451.

It is an arithmetic number, because the mean of its divisors is an integer number (215244945000).

Almost surely, 2^{1381155063673} is an apocalyptic number.

It is an amenable number.

1381155063673 is a deficient number, since it is larger than the sum of its proper divisors (340804496327).

1381155063673 is a wasteful number, since it uses less digits than its factorization.

1381155063673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17937078767.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 1381155063673 in words is "one trillion, three hundred eighty-one billion, one hundred fifty-five million, sixty-three thousand, six hundred seventy-three".