2775202728481 has 16 divisors (see below), whose sum is σ = 2954356329600. Its totient is φ = 2599363502208.

The previous prime is 2775202728451. The next prime is 2775202728527. The reversal of 2775202728481 is 1848272025772.

It is a cyclic number.

It is not a de Polignac number, because 2775202728481 - 2¹¹ = 2775202726433 is a prime.

It is a super-2 number, since 2×2775202728481² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2775202728451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20286396 + ... + 20422738.

It is an arithmetic number, because the mean of its divisors is an integer number (184647270600).

Almost surely, 2^{2775202728481} is an apocalyptic number.

It is an amenable number.

2775202728481 is a deficient number, since it is larger than the sum of its proper divisors (179153601119).

2775202728481 is a wasteful number, since it uses less digits than its factorization.

2775202728481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148488.

The product of its (nonzero) digits is 7024640, while the sum is 55.

The spelling of 2775202728481 in words is "two trillion, seven hundred seventy-five billion, two hundred two million, seven hundred twenty-eight thousand, four hundred eighty-one".