51360969801 has 16 divisors (see below), whose sum is σ = 68624216064. Its totient is φ = 34169260944.

The previous prime is 51360969799. The next prime is 51360969827. The reversal of 51360969801 is 10896906315.

It is not a de Polignac number, because 51360969801 - 2¹ = 51360969799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51360969901) 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 15 ways as a sum of consecutive naturals, for example, 3025800 + ... + 3042726.

It is an arithmetic number, because the mean of its divisors is an integer number (4289013504).

Almost surely, 2^51360969801 is an apocalyptic number.

It is an amenable number.

51360969801 is a deficient number, since it is larger than the sum of its proper divisors (17263246263).

51360969801 is a wasteful number, since it uses less digits than its factorization.

51360969801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18980.

The product of its (nonzero) digits is 349920, while the sum is 48.

The spelling of 51360969801 in words is "fifty-one billion, three hundred sixty million, nine hundred sixty-nine thousand, eight hundred one".