66113254625311 has 8 divisors (see below), whose sum is σ = 67902918744464. Its totient is φ = 64323738895680.

The previous prime is 66113254625309. The next prime is 66113254625381. The reversal of 66113254625311 is 11352645231166.

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

It is a cyclic number.

It is not a de Polignac number, because 66113254625311 - 2¹ = 66113254625309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66113254625381) 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 7 ways as a sum of consecutive naturals, for example, 36193950 + ... + 37976683.

It is an arithmetic number, because the mean of its divisors is an integer number (8487864843058).

Almost surely, 2^{66113254625311} is an apocalyptic number.

66113254625311 is a deficient number, since it is larger than the sum of its proper divisors (1789664119153).

66113254625311 is a wasteful number, since it uses less digits than its factorization.

66113254625311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74194761.

The product of its digits is 777600, while the sum is 46.

Adding to 66113254625311 its reverse (11352645231166), we get a palindrome (77465899856477).

The spelling of 66113254625311 in words is "sixty-six trillion, one hundred thirteen billion, two hundred fifty-four million, six hundred twenty-five thousand, three hundred eleven".