1310155351117 has 2 divisors, whose sum is σ = 1310155351118. Its totient is φ = 1310155351116.

The previous prime is 1310155351111. The next prime is 1310155351177. The reversal of 1310155351117 is 7111535510131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1267378356841 + 42776994276 = 1125779^2 + 206826^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310155351117 - 2²⁷ = 1310021133389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310155351111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655077675558 + 655077675559.

It is an arithmetic number, because the mean of its divisors is an integer number (655077675559).

Almost surely, 2^{1310155351117} is an apocalyptic number.

It is an amenable number.

1310155351117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310155351117 is an equidigital number, since it uses as much as digits as its factorization.

1310155351117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7875, while the sum is 34.

The spelling of 1310155351117 in words is "one trillion, three hundred ten billion, one hundred fifty-five million, three hundred fifty-one thousand, one hundred seventeen".