51102326747 has 2 divisors, whose sum is σ = 51102326748. Its totient is φ = 51102326746.

The previous prime is 51102326701. The next prime is 51102326809. The reversal of 51102326747 is 74762320115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51102326747 - 2⁸ = 51102326491 is a prime.

It is a super-2 number, since 2×51102326747² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51102326747.

It is not a weakly prime, because it can be changed into another prime (51102328747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25551163373 + 25551163374.

It is an arithmetic number, because the mean of its divisors is an integer number (25551163374).

Almost surely, 2^51102326747 is an apocalyptic number.

51102326747 is a deficient number, since it is larger than the sum of its proper divisors (1).

51102326747 is an equidigital number, since it uses as much as digits as its factorization.

51102326747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 51102326747 in words is "fifty-one billion, one hundred two million, three hundred twenty-six thousand, seven hundred forty-seven".