1384118037081 has 80 divisors (see below), whose sum is σ = 2252660655168. Its totient is φ = 841856976000.

The previous prime is 1384118037077. The next prime is 1384118037083. The reversal of 1384118037081 is 1807308114831.

1384118037081 is a `hidden beast` number, since 13 + 8 + 411 + 80 + 3 + 70 + 81 = 666.

It is not a de Polignac number, because 1384118037081 - 2² = 1384118037077 is a prime.

It is a super-2 number, since 2×1384118037081² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1384118037083) 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 79 ways as a sum of consecutive naturals, for example, 62418126 + ... + 62440296.

Almost surely, 2^{1384118037081} is an apocalyptic number.

It is an amenable number.

1384118037081 is a deficient number, since it is larger than the sum of its proper divisors (868542618087).

1384118037081 is a wasteful number, since it uses less digits than its factorization.

1384118037081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22884 (or 22875 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 1384118037081 in words is "one trillion, three hundred eighty-four billion, one hundred eighteen million, thirty-seven thousand, eighty-one".