66056051611100 has 36 divisors (see below), whose sum is σ = 145360528237008. Its totient is φ = 26050273872000.

The previous prime is 66056051611063. The next prime is 66056051611111. The reversal of 66056051611100 is 111615065066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4651827521 + ... + 4651841720.

It is an arithmetic number, because the mean of its divisors is an integer number (4037792451028).

Almost surely, 2^{66056051611100} is an apocalyptic number.

It is an amenable number.

66056051611100 is an abundant number, since it is smaller than the sum of its proper divisors (79304476625908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66056051611100 is a wasteful number, since it uses less digits than its factorization.

66056051611100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9303669326 (or 9303669319 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

Adding to 66056051611100 its reverse (111615065066), we get a palindrome (66167666676166).

The spelling of 66056051611100 in words is "sixty-six trillion, fifty-six billion, fifty-one million, six hundred eleven thousand, one hundred".