70121117159 has 2 divisors, whose sum is σ = 70121117160. Its totient is φ = 70121117158.

The previous prime is 70121117123. The next prime is 70121117203. The reversal of 70121117159 is 95171112107.

It is a weak prime.

It is an emirp because it is prime and its reverse (95171112107) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70121117159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70121117459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35060558579 + 35060558580.

It is an arithmetic number, because the mean of its divisors is an integer number (35060558580).

Almost surely, 2^70121117159 is an apocalyptic number.

70121117159 is a deficient number, since it is larger than the sum of its proper divisors (1).

70121117159 is an equidigital number, since it uses as much as digits as its factorization.

70121117159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 35.

The spelling of 70121117159 in words is "seventy billion, one hundred twenty-one million, one hundred seventeen thousand, one hundred fifty-nine".