51312890556295 has 4 divisors (see below), whose sum is σ = 61575468667560. Its totient is φ = 41050312445032.

The previous prime is 51312890556293. The next prime is 51312890556341. The reversal of 51312890556295 is 59265509821315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51312890556295 - 2¹ = 51312890556293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51312890556293) 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, 5131289055625 + ... + 5131289055634.

It is an arithmetic number, because the mean of its divisors is an integer number (15393867166890).

Almost surely, 2^{51312890556295} is an apocalyptic number.

51312890556295 is a deficient number, since it is larger than the sum of its proper divisors (10262578111265).

51312890556295 is a wasteful number, since it uses less digits than its factorization.

51312890556295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10262578111264.

The product of its (nonzero) digits is 29160000, while the sum is 61.

The spelling of 51312890556295 in words is "fifty-one trillion, three hundred twelve billion, eight hundred ninety million, five hundred fifty-six thousand, two hundred ninety-five".