1126063161521 has 2 divisors, whose sum is σ = 1126063161522. Its totient is φ = 1126063161520.

The previous prime is 1126063161511. The next prime is 1126063161533. The reversal of 1126063161521 is 1251613606211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 981179397025 + 144883764496 = 990545^2 + 380636^2 .

It is an emirp because it is prime and its reverse (1251613606211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1126063161521 is a prime.

It is not a weakly prime, because it can be changed into another prime (1126063161511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563031580760 + 563031580761.

It is an arithmetic number, because the mean of its divisors is an integer number (563031580761).

Almost surely, 2^{1126063161521} is an apocalyptic number.

It is an amenable number.

1126063161521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126063161521 is an equidigital number, since it uses as much as digits as its factorization.

1126063161521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

Adding to 1126063161521 its reverse (1251613606211), we get a palindrome (2377676767732).

The spelling of 1126063161521 in words is "one trillion, one hundred twenty-six billion, sixty-three million, one hundred sixty-one thousand, five hundred twenty-one".