20525332511365 has 8 divisors (see below), whose sum is σ = 26869526196768. Its totient is φ = 14927514553680.

The previous prime is 20525332511347. The next prime is 20525332511479. The reversal of 20525332511365 is 56311523352502.

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

It is not a de Polignac number, because 20525332511365 - 2¹¹ = 20525332509317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186593931867 + ... + 186593931976.

It is an arithmetic number, because the mean of its divisors is an integer number (3358690774596).

Almost surely, 2^{20525332511365} is an apocalyptic number.

It is an amenable number.

20525332511365 is a deficient number, since it is larger than the sum of its proper divisors (6344193685403).

20525332511365 is a wasteful number, since it uses less digits than its factorization.

20525332511365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373187863859.

The product of its (nonzero) digits is 810000, while the sum is 43.

Adding to 20525332511365 its reverse (56311523352502), we get a palindrome (76836855863867).

The spelling of 20525332511365 in words is "twenty trillion, five hundred twenty-five billion, three hundred thirty-two million, five hundred eleven thousand, three hundred sixty-five".