82148111 has 8 divisors (see below), whose sum is σ = 86093280. Its totient is φ = 78234112.

The previous prime is 82148081. The next prime is 82148113. The reversal of 82148111 is 11184128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82148111 - 2¹⁴ = 82131727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82148113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2306 + ... + 13023.

It is an arithmetic number, because the mean of its divisors is an integer number (10761660).

Almost surely, 2^82148111 is an apocalyptic number.

82148111 is a deficient number, since it is larger than the sum of its proper divisors (3945169).

82148111 is a wasteful number, since it uses less digits than its factorization.

82148111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15585.

The product of its digits is 512, while the sum is 26.

The square root of 82148111 is about 9063.5595104793. The cubic root of 82148111 is about 434.7095625889.

The spelling of 82148111 in words is "eighty-two million, one hundred forty-eight thousand, one hundred eleven".