51441335039999 has 2 divisors, whose sum is σ = 51441335040000. Its totient is φ = 51441335039998.

The previous prime is 51441335039977. The next prime is 51441335040049. The reversal of 51441335039999 is 99993053314415.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51441335039999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51441335033999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25720667519999 + 25720667520000.

It is an arithmetic number, because the mean of its divisors is an integer number (25720667520000).

Almost surely, 2^{51441335039999} is an apocalyptic number.

51441335039999 is a deficient number, since it is larger than the sum of its proper divisors (1).

51441335039999 is an equidigital number, since it uses as much as digits as its factorization.

51441335039999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70858800, while the sum is 65.

The spelling of 51441335039999 in words is "fifty-one trillion, four hundred forty-one billion, three hundred thirty-five million, thirty-nine thousand, nine hundred ninety-nine".