51551105066 has 16 divisors (see below), whose sum is σ = 79817367168. Its totient is φ = 24954914400.

The previous prime is 51551105041. The next prime is 51551105071. The reversal of 51551105066 is 66050115515.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2388770 + ... + 2410253.

It is an arithmetic number, because the mean of its divisors is an integer number (4988585448).

Almost surely, 2^51551105066 is an apocalyptic number.

51551105066 is a deficient number, since it is larger than the sum of its proper divisors (28266262102).

51551105066 is a wasteful number, since it uses less digits than its factorization.

51551105066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4799197.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 51551105066 in words is "fifty-one billion, five hundred fifty-one million, one hundred five thousand, sixty-six".