2012551287553 has 2 divisors, whose sum is σ = 2012551287554. Its totient is φ = 2012551287552.

The previous prime is 2012551287521. The next prime is 2012551287589. The reversal of 2012551287553 is 3557821552102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1823858353009 + 188692934544 = 1350503^2 + 434388^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012551287553 - 2⁵ = 2012551287521 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012551287353) 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, 1006275643776 + 1006275643777.

It is an arithmetic number, because the mean of its divisors is an integer number (1006275643777).

Almost surely, 2^{2012551287553} is an apocalyptic number.

It is an amenable number.

2012551287553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012551287553 is an equidigital number, since it uses as much as digits as its factorization.

2012551287553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840000, while the sum is 46.

The spelling of 2012551287553 in words is "two trillion, twelve billion, five hundred fifty-one million, two hundred eighty-seven thousand, five hundred fifty-three".