82144545111 has 6 divisors (see below), whose sum is σ = 118653231840. Its totient is φ = 54763030068.

The previous prime is 82144545097. The next prime is 82144545163. The reversal of 82144545111 is 11154544128.

82144545111 is a `hidden beast` number, since 82 + 14 + 4 + 54 + 511 + 1 = 666.

It is not a de Polignac number, because 82144545111 - 2²² = 82140350807 is a prime.

It is a super-2 number, since 2×82144545111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82144505111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4563585831 + ... + 4563585848.

It is an arithmetic number, because the mean of its divisors is an integer number (19775538640).

Almost surely, 2^82144545111 is an apocalyptic number.

82144545111 is a deficient number, since it is larger than the sum of its proper divisors (36508686729).

82144545111 is a wasteful number, since it uses less digits than its factorization.

82144545111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9127171685 (or 9127171682 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The spelling of 82144545111 in words is "eighty-two billion, one hundred forty-four million, five hundred forty-five thousand, one hundred eleven".