51001543163 has 2 divisors, whose sum is σ = 51001543164. Its totient is φ = 51001543162.

The previous prime is 51001543067. The next prime is 51001543169. The reversal of 51001543163 is 36134510015.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51001543163 is a prime.

It is not a weakly prime, because it can be changed into another prime (51001543169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500771581 + 25500771582.

It is an arithmetic number, because the mean of its divisors is an integer number (25500771582).

Almost surely, 2^51001543163 is an apocalyptic number.

51001543163 is a deficient number, since it is larger than the sum of its proper divisors (1).

51001543163 is an equidigital number, since it uses as much as digits as its factorization.

51001543163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 51001543163 in words is "fifty-one billion, one million, five hundred forty-three thousand, one hundred sixty-three".