2766222863551 has 32 divisors (see below), whose sum is σ = 3339281984000. Its totient is φ = 2238500759040.

The previous prime is 2766222863549. The next prime is 2766222863561. The reversal of 2766222863551 is 1553682226672.

It is not a de Polignac number, because 2766222863551 - 2¹ = 2766222863549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2766222863492 and 2766222863501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2766222863561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244814500 + ... + 244825798.

It is an arithmetic number, because the mean of its divisors is an integer number (104352562000).

Almost surely, 2^{2766222863551} is an apocalyptic number.

2766222863551 is a deficient number, since it is larger than the sum of its proper divisors (573059120449).

2766222863551 is a wasteful number, since it uses less digits than its factorization.

2766222863551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17519.

The product of its digits is 14515200, while the sum is 55.

The spelling of 2766222863551 in words is "two trillion, seven hundred sixty-six billion, two hundred twenty-two million, eight hundred sixty-three thousand, five hundred fifty-one".