1051601115709 has 2 divisors, whose sum is σ = 1051601115710. Its totient is φ = 1051601115708.

The previous prime is 1051601115707. The next prime is 1051601115713. The reversal of 1051601115709 is 9075111061501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1036965439225 + 14635676484 = 1018315^2 + 120978^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051601115709 - 2¹ = 1051601115707 is a prime.

It is a super-2 number, since 2×1051601115709² (a number of 25 digits) contains 22 as substring.

Together with 1051601115707, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051601115707) 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, 525800557854 + 525800557855.

It is an arithmetic number, because the mean of its divisors is an integer number (525800557855).

Almost surely, 2^{1051601115709} is an apocalyptic number.

It is an amenable number.

1051601115709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051601115709 is an equidigital number, since it uses as much as digits as its factorization.

1051601115709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 37.

The spelling of 1051601115709 in words is "one trillion, fifty-one billion, six hundred one million, one hundred fifteen thousand, seven hundred nine".