1556286982141 has 2 divisors, whose sum is σ = 1556286982142. Its totient is φ = 1556286982140.

The previous prime is 1556286982111. The next prime is 1556286982213. The reversal of 1556286982141 is 1412896826551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1493701953241 + 62585028900 = 1222171^2 + 250170^2 .

It is a cyclic number.

It is not a de Polignac number, because 1556286982141 - 2¹³ = 1556286973949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1556286982111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 778143491070 + 778143491071.

It is an arithmetic number, because the mean of its divisors is an integer number (778143491071).

Almost surely, 2^{1556286982141} is an apocalyptic number.

It is an amenable number.

1556286982141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1556286982141 is an equidigital number, since it uses as much as digits as its factorization.

1556286982141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8294400, while the sum is 58.

The spelling of 1556286982141 in words is "one trillion, five hundred fifty-six billion, two hundred eighty-six million, nine hundred eighty-two thousand, one hundred forty-one".