27020082511 has 4 divisors (see below), whose sum is σ = 27044804632. Its totient is φ = 26995360392.

The previous prime is 27020082461. The next prime is 27020082517. The reversal of 27020082511 is 11528002072.

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 27020082511 - 2²¹ = 27017985359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27020082511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27020082517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12359421 + ... + 12361606.

It is an arithmetic number, because the mean of its divisors is an integer number (6761201158).

Almost surely, 2^27020082511 is an apocalyptic number.

27020082511 is a deficient number, since it is larger than the sum of its proper divisors (24722121).

27020082511 is a wasteful number, since it uses less digits than its factorization.

27020082511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24722120.

The product of its (nonzero) digits is 2240, while the sum is 28.

Adding to 27020082511 its reverse (11528002072), we get a palindrome (38548084583).

The spelling of 27020082511 in words is "twenty-seven billion, twenty million, eighty-two thousand, five hundred eleven".