51083026387 has 2 divisors, whose sum is σ = 51083026388. Its totient is φ = 51083026386.

The previous prime is 51083026339. The next prime is 51083026417. The reversal of 51083026387 is 78362038015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51083026387 - 2¹⁹ = 51082502099 is a prime.

It is not a weakly prime, because it can be changed into another prime (51083026187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25541513193 + 25541513194.

It is an arithmetic number, because the mean of its divisors is an integer number (25541513194).

Almost surely, 2^51083026387 is an apocalyptic number.

51083026387 is a deficient number, since it is larger than the sum of its proper divisors (1).

51083026387 is an equidigital number, since it uses as much as digits as its factorization.

51083026387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 51083026387 in words is "fifty-one billion, eighty-three million, twenty-six thousand, three hundred eighty-seven".