51021048041 has 2 divisors, whose sum is σ = 51021048042. Its totient is φ = 51021048040.

The previous prime is 51021048037. The next prime is 51021048083. The reversal of 51021048041 is 14084012015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38572960000 + 12448088041 = 196400^2 + 111571^2 .

It is a cyclic number.

It is not a de Polignac number, because 51021048041 - 2² = 51021048037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51021048041.

It is not a weakly prime, because it can be changed into another prime (51021048541) 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 as a sum of consecutive naturals, namely, 25510524020 + 25510524021.

It is an arithmetic number, because the mean of its divisors is an integer number (25510524021).

Almost surely, 2^51021048041 is an apocalyptic number.

It is an amenable number.

51021048041 is a deficient number, since it is larger than the sum of its proper divisors (1).

51021048041 is an equidigital number, since it uses as much as digits as its factorization.

51021048041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 26.

The spelling of 51021048041 in words is "fifty-one billion, twenty-one million, forty-eight thousand, forty-one".