51565010605001 has 16 divisors (see below), whose sum is σ = 56543928460800. Its totient is φ = 46841504256000.

The previous prime is 51565010604979. The next prime is 51565010605033. The reversal of 51565010605001 is 10050601056515.

It is a cyclic number.

It is not a de Polignac number, because 51565010605001 - 2⁶ = 51565010604937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51565010605061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401526200 + ... + 401654601.

It is an arithmetic number, because the mean of its divisors is an integer number (3533995528800).

Almost surely, 2^{51565010605001} is an apocalyptic number.

It is an amenable number.

51565010605001 is a deficient number, since it is larger than the sum of its proper divisors (4978917855799).

51565010605001 is a wasteful number, since it uses less digits than its factorization.

51565010605001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803180960.

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

The spelling of 51565010605001 in words is "fifty-one trillion, five hundred sixty-five billion, ten million, six hundred five thousand, one".