51352231157 has 2 divisors, whose sum is σ = 51352231158. Its totient is φ = 51352231156.

The previous prime is 51352231127. The next prime is 51352231243. The reversal of 51352231157 is 75113225315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51341215396 + 11015761 = 226586^2 + 3319^2 .

It is a cyclic number.

It is not a de Polignac number, because 51352231157 - 2¹⁰ = 51352230133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51352231127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25676115578 + 25676115579.

It is an arithmetic number, because the mean of its divisors is an integer number (25676115579).

Almost surely, 2^51352231157 is an apocalyptic number.

It is an amenable number.

51352231157 is a deficient number, since it is larger than the sum of its proper divisors (1).

51352231157 is an equidigital number, since it uses as much as digits as its factorization.

51352231157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31500, while the sum is 35.

The spelling of 51352231157 in words is "fifty-one billion, three hundred fifty-two million, two hundred thirty-one thousand, one hundred fifty-seven".