2126980986061 has 2 divisors, whose sum is σ = 2126980986062. Its totient is φ = 2126980986060.

The previous prime is 2126980986043. The next prime is 2126980986121. The reversal of 2126980986061 is 1606890896212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1809441974025 + 317539012036 = 1345155^2 + 563506^2 .

It is a cyclic number.

It is not a de Polignac number, because 2126980986061 - 2⁵ = 2126980986029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2126980985987 and 2126980986005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2126980986041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063490493030 + 1063490493031.

It is an arithmetic number, because the mean of its divisors is an integer number (1063490493031).

Almost surely, 2^{2126980986061} is an apocalyptic number.

It is an amenable number.

2126980986061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126980986061 is an equidigital number, since it uses as much as digits as its factorization.

2126980986061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4478976, while the sum is 58.

The spelling of 2126980986061 in words is "two trillion, one hundred twenty-six billion, nine hundred eighty million, nine hundred eighty-six thousand, sixty-one".