1612117278701 has 2 divisors, whose sum is σ = 1612117278702. Its totient is φ = 1612117278700.

The previous prime is 1612117278689. The next prime is 1612117278743. The reversal of 1612117278701 is 1078727112161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 970077255625 + 642040023076 = 984925^2 + 801274^2 .

It is a cyclic number.

It is not a de Polignac number, because 1612117278701 - 2¹⁸ = 1612117016557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1612117178701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806058639350 + 806058639351.

It is an arithmetic number, because the mean of its divisors is an integer number (806058639351).

Almost surely, 2^{1612117278701} is an apocalyptic number.

It is an amenable number.

1612117278701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1612117278701 is an equidigital number, since it uses as much as digits as its factorization.

1612117278701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65856, while the sum is 44.

The spelling of 1612117278701 in words is "one trillion, six hundred twelve billion, one hundred seventeen million, two hundred seventy-eight thousand, seven hundred one".