51075945792499 has 2 divisors, whose sum is σ = 51075945792500. Its totient is φ = 51075945792498.

The previous prime is 51075945792481. The next prime is 51075945792511. The reversal of 51075945792499 is 99429754957015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51075945792499 - 2¹⁷ = 51075945661427 is a prime.

It is not a weakly prime, because it can be changed into another prime (51075945792449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25537972896249 + 25537972896250.

It is an arithmetic number, because the mean of its divisors is an integer number (25537972896250).

Almost surely, 2^{51075945792499} is an apocalyptic number.

51075945792499 is a deficient number, since it is larger than the sum of its proper divisors (1).

51075945792499 is an equidigital number, since it uses as much as digits as its factorization.

51075945792499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1285956000, while the sum is 76.

The spelling of 51075945792499 in words is "fifty-one trillion, seventy-five billion, nine hundred forty-five million, seven hundred ninety-two thousand, four hundred ninety-nine".