70861286722141 has 2 divisors, whose sum is σ = 70861286722142. Its totient is φ = 70861286722140.

The previous prime is 70861286722129. The next prime is 70861286722199. The reversal of 70861286722141 is 14122768216807.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68688109533241 + 2173177188900 = 8287829^2 + 1474170^2 .

It is a cyclic number.

It is not a de Polignac number, because 70861286722141 - 2³¹ = 70859139238493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70861286722741) 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, 35430643361070 + 35430643361071.

It is an arithmetic number, because the mean of its divisors is an integer number (35430643361071).

Almost surely, 2^{70861286722141} is an apocalyptic number.

It is an amenable number.

70861286722141 is a deficient number, since it is larger than the sum of its proper divisors (1).

70861286722141 is an equidigital number, since it uses as much as digits as its factorization.

70861286722141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3612672, while the sum is 55.

The spelling of 70861286722141 in words is "seventy trillion, eight hundred sixty-one billion, two hundred eighty-six million, seven hundred twenty-two thousand, one hundred forty-one".