1254016775117 has 2 divisors, whose sum is σ = 1254016775118. Its totient is φ = 1254016775116.

The previous prime is 1254016775003. The next prime is 1254016775153. The reversal of 1254016775117 is 7115776104521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1245520728841 + 8496046276 = 1116029^2 + 92174^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254016775117 - 2³⁸ = 979138868173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254016775317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627008387558 + 627008387559.

It is an arithmetic number, because the mean of its divisors is an integer number (627008387559).

Almost surely, 2^{1254016775117} is an apocalyptic number.

It is an amenable number.

1254016775117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254016775117 is an equidigital number, since it uses as much as digits as its factorization.

1254016775117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 411600, while the sum is 47.

The spelling of 1254016775117 in words is "one trillion, two hundred fifty-four billion, sixteen million, seven hundred seventy-five thousand, one hundred seventeen".