82153611 has 12 divisors (see below), whose sum is σ = 118787760. Its totient is φ = 54713040.

The previous prime is 82153597. The next prime is 82153613. The reversal of 82153611 is 11635128.

It is not a de Polignac number, because 82153611 - 2¹³ = 82145419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82153613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5866 + ... + 14096.

It is an arithmetic number, because the mean of its divisors is an integer number (9898980).

Almost surely, 2^82153611 is an apocalyptic number.

82153611 is a deficient number, since it is larger than the sum of its proper divisors (36634149).

82153611 is a wasteful number, since it uses less digits than its factorization.

82153611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9346 (or 9343 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 82153611 is about 9063.8629182044. The cubic root of 82153611 is about 434.7192639653.

Adding to 82153611 its reverse (11635128), we get a palindrome (93788739).

The spelling of 82153611 in words is "eighty-two million, one hundred fifty-three thousand, six hundred eleven".