1381384811163 has 32 divisors (see below), whose sum is σ = 2217812852736. Its totient is φ = 747712091808.

The previous prime is 1381384811159. The next prime is 1381384811189. The reversal of 1381384811163 is 3611184831831.

It is not a de Polignac number, because 1381384811163 - 2² = 1381384811159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1381384811153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13833795 + ... + 13933292.

It is an arithmetic number, because the mean of its divisors is an integer number (69306651648).

Almost surely, 2^{1381384811163} is an apocalyptic number.

1381384811163 is a deficient number, since it is larger than the sum of its proper divisors (836428041573).

1381384811163 is a wasteful number, since it uses less digits than its factorization.

1381384811163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27767223.

The product of its digits is 331776, while the sum is 48.

The spelling of 1381384811163 in words is "one trillion, three hundred eighty-one billion, three hundred eighty-four million, eight hundred eleven thousand, one hundred sixty-three".