1344580128081 has 32 divisors (see below), whose sum is σ = 2011649310720. Its totient is φ = 887559401232.

The previous prime is 1344580128079. The next prime is 1344580128113. The reversal of 1344580128081 is 1808210854431.

1344580128081 is a `hidden beast` number, since 1 + 3 + 44 + 580 + 1 + 28 + 0 + 8 + 1 = 666.

It is not a de Polignac number, because 1344580128081 - 2¹ = 1344580128079 is a prime.

It is a super-2 number, since 2×1344580128081² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1344580128011) 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 31 ways as a sum of consecutive naturals, for example, 1335006 + ... + 2114568.

It is an arithmetic number, because the mean of its divisors is an integer number (62864040960).

Almost surely, 2^{1344580128081} is an apocalyptic number.

It is an amenable number.

1344580128081 is a deficient number, since it is larger than the sum of its proper divisors (667069182639).

1344580128081 is a wasteful number, since it uses less digits than its factorization.

1344580128081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780202 (or 780196 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The spelling of 1344580128081 in words is "one trillion, three hundred forty-four billion, five hundred eighty million, one hundred twenty-eight thousand, eighty-one".