66245014445311 has 4 divisors (see below), whose sum is σ = 71340784787272. Its totient is φ = 61149244103352.

The previous prime is 66245014445287. The next prime is 66245014445327. The reversal of 66245014445311 is 11354441054266.

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 66245014445311 - 2¹¹ = 66245014443263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66245014445111) 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, 2547885170961 + ... + 2547885170986.

It is an arithmetic number, because the mean of its divisors is an integer number (17835196196818).

Almost surely, 2^{66245014445311} is an apocalyptic number.

66245014445311 is a deficient number, since it is larger than the sum of its proper divisors (5095770341961).

66245014445311 is a wasteful number, since it uses less digits than its factorization.

66245014445311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5095770341960.

The product of its (nonzero) digits is 1382400, while the sum is 46.

Adding to 66245014445311 its reverse (11354441054266), we get a palindrome (77599455499577).

The spelling of 66245014445311 in words is "sixty-six trillion, two hundred forty-five billion, fourteen million, four hundred forty-five thousand, three hundred eleven".