52666121106 has 20 divisors (see below), whose sum is σ = 118011123582. Its totient is φ = 17555373648.

The previous prime is 52666121069. The next prime is 52666121161. The reversal of 52666121106 is 60112166625.

It can be written as a sum of positive squares in only one way, i.e., 52666119081 + 2025 = 229491^2 + 45^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 162549595 + ... + 162549918.

Almost surely, 2^52666121106 is an apocalyptic number.

52666121106 is an abundant number, since it is smaller than the sum of its proper divisors (65345002476).

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

52666121106 is a wasteful number, since it uses less digits than its factorization.

52666121106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325099527 (or 325099518 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 52666121106 in words is "fifty-two billion, six hundred sixty-six million, one hundred twenty-one thousand, one hundred six".