8044689117261 has 16 divisors (see below), whose sum is σ = 11097072792000. Its totient is φ = 5177747422848.

The previous prime is 8044689117259. The next prime is 8044689117313. The reversal of 8044689117261 is 1627119864408.

It is not a de Polignac number, because 8044689117261 - 2¹ = 8044689117259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8044689107261) 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 15 ways as a sum of consecutive naturals, for example, 2934136 + ... + 4969761.

It is an arithmetic number, because the mean of its divisors is an integer number (693567049500).

Almost surely, 2^{8044689117261} is an apocalyptic number.

It is an amenable number.

8044689117261 is a deficient number, since it is larger than the sum of its proper divisors (3052383674739).

8044689117261 is a wasteful number, since it uses less digits than its factorization.

8044689117261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7915628.

The product of its (nonzero) digits is 4644864, while the sum is 57.

The spelling of 8044689117261 in words is "eight trillion, forty-four billion, six hundred eighty-nine million, one hundred seventeen thousand, two hundred sixty-one".