16111242255765 has 64 divisors (see below), whose sum is σ = 26969272185600. Its totient is φ = 8202306545664.

The previous prime is 16111242255709. The next prime is 16111242255769. The reversal of 16111242255765 is 56755224211161.

It is not a de Polignac number, because 16111242255765 - 2¹⁴ = 16111242239381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16111242255769) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 587408982 + ... + 587436408.

It is an arithmetic number, because the mean of its divisors is an integer number (421394877900).

Almost surely, 2^{16111242255765} is an apocalyptic number.

16111242255765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16111242255765 is a deficient number, since it is larger than the sum of its proper divisors (10858029929835).

16111242255765 is a wasteful number, since it uses less digits than its factorization.

16111242255765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42726.

The product of its digits is 1008000, while the sum is 48.

The spelling of 16111242255765 in words is "sixteen trillion, one hundred eleven billion, two hundred forty-two million, two hundred fifty-five thousand, seven hundred sixty-five".