51009600001 has 4 divisors (see below), whose sum is σ = 51015647232. Its totient is φ = 51003552772.

The previous prime is 51009599989. The next prime is 51009600113. The reversal of 51009600001 is 10000690015.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51009600001 - 2⁷ = 51009599873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51009600601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3010945 + ... + 3027838.

It is an arithmetic number, because the mean of its divisors is an integer number (12753911808).

Almost surely, 2^51009600001 is an apocalyptic number.

It is an amenable number.

51009600001 is a deficient number, since it is larger than the sum of its proper divisors (6047231).

51009600001 is an equidigital number, since it uses as much as digits as its factorization.

51009600001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6047230.

The product of its (nonzero) digits is 270, while the sum is 22.

The spelling of 51009600001 in words is "fifty-one billion, nine million, six hundred thousand, one".