1087787505073 has 2 divisors, whose sum is σ = 1087787505074. Its totient is φ = 1087787505072.

The previous prime is 1087787505061. The next prime is 1087787505109. The reversal of 1087787505073 is 3705057877801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 679424329984 + 408363175089 = 824272^2 + 639033^2 .

It is a cyclic number.

It is not a de Polignac number, because 1087787505073 - 2¹³ = 1087787496881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1087787504999 and 1087787505017.

It is not a weakly prime, because it can be changed into another prime (1087787505053) 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, 543893752536 + 543893752537.

It is an arithmetic number, because the mean of its divisors is an integer number (543893752537).

Almost surely, 2^{1087787505073} is an apocalyptic number.

It is an amenable number.

1087787505073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087787505073 is an equidigital number, since it uses as much as digits as its factorization.

1087787505073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11524800, while the sum is 58.

The spelling of 1087787505073 in words is "one trillion, eighty-seven billion, seven hundred eighty-seven million, five hundred five thousand, seventy-three".