51027770220611 has 2 divisors, whose sum is σ = 51027770220612. Its totient is φ = 51027770220610.

The previous prime is 51027770220547. The next prime is 51027770220649. The reversal of 51027770220611 is 11602207772015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51027770220611 - 2⁶ = 51027770220547 is a prime.

It is not a weakly prime, because it can be changed into another prime (51027770220211) 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, 25513885110305 + 25513885110306.

It is an arithmetic number, because the mean of its divisors is an integer number (25513885110306).

Almost surely, 2^{51027770220611} is an apocalyptic number.

51027770220611 is a deficient number, since it is larger than the sum of its proper divisors (1).

51027770220611 is an equidigital number, since it uses as much as digits as its factorization.

51027770220611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82320, while the sum is 41.

Adding to 51027770220611 its reverse (11602207772015), we get a palindrome (62629977992626).

The spelling of 51027770220611 in words is "fifty-one trillion, twenty-seven billion, seven hundred seventy million, two hundred twenty thousand, six hundred eleven".