1097050983521 has 2 divisors, whose sum is σ = 1097050983522. Its totient is φ = 1097050983520.

The previous prime is 1097050983487. The next prime is 1097050983599. The reversal of 1097050983521 is 1253890507901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 610734435025 + 486316548496 = 781495^2 + 697364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1097050983521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1097050983521.

It is not a weakly prime, because it can be changed into another prime (1097050983421) 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 as a sum of consecutive naturals, namely, 548525491760 + 548525491761.

It is an arithmetic number, because the mean of its divisors is an integer number (548525491761).

Almost surely, 2^{1097050983521} is an apocalyptic number.

It is an amenable number.

1097050983521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097050983521 is an equidigital number, since it uses as much as digits as its factorization.

1097050983521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 50.

The spelling of 1097050983521 in words is "one trillion, ninety-seven billion, fifty million, nine hundred eighty-three thousand, five hundred twenty-one".