82518314051 has 4 divisors (see below), whose sum is σ = 83064793104. Its totient is φ = 81971835000.

The previous prime is 82518314029. The next prime is 82518314089. The reversal of 82518314051 is 15041381528.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82518314051 - 2¹⁰ = 82518313027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82518313996 and 82518314014.

It is not an unprimeable number, because it can be changed into a prime (82518314951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273239300 + ... + 273239601.

It is an arithmetic number, because the mean of its divisors is an integer number (20766198276).

Almost surely, 2^82518314051 is an apocalyptic number.

82518314051 is a deficient number, since it is larger than the sum of its proper divisors (546479053).

82518314051 is a wasteful number, since it uses less digits than its factorization.

82518314051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546479052.

The product of its (nonzero) digits is 38400, while the sum is 38.

Adding to 82518314051 its reverse (15041381528), we get a palindrome (97559695579).

The spelling of 82518314051 in words is "eighty-two billion, five hundred eighteen million, three hundred fourteen thousand, fifty-one".