2550530277761 has 2 divisors, whose sum is σ = 2550530277762. Its totient is φ = 2550530277760.

The previous prime is 2550530277707. The next prime is 2550530277769. The reversal of 2550530277761 is 1677720350552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1775073917761 + 775456360000 = 1332319^2 + 880600^2 .

It is a cyclic number.

It is not a de Polignac number, because 2550530277761 - 2³⁴ = 2533350408577 is a prime.

It is a super-2 number, since 2×2550530277761² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2550530277769) 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, 1275265138880 + 1275265138881.

It is an arithmetic number, because the mean of its divisors is an integer number (1275265138881).

Almost surely, 2^{2550530277761} is an apocalyptic number.

It is an amenable number.

2550530277761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2550530277761 is an equidigital number, since it uses as much as digits as its factorization.

2550530277761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3087000, while the sum is 50.

The spelling of 2550530277761 in words is "two trillion, five hundred fifty billion, five hundred thirty million, two hundred seventy-seven thousand, seven hundred sixty-one".