3115235112109 has 2 divisors, whose sum is σ = 3115235112110. Its totient is φ = 3115235112108.

The previous prime is 3115235112061. The next prime is 3115235112137. The reversal of 3115235112109 is 9012115325113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1919540975625 + 1195694136484 = 1385475^2 + 1093478^2 .

It is a cyclic number.

It is not a de Polignac number, because 3115235112109 - 2⁷ = 3115235111981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3115235112169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1557617556054 + 1557617556055.

It is an arithmetic number, because the mean of its divisors is an integer number (1557617556055).

Almost surely, 2^{3115235112109} is an apocalyptic number.

It is an amenable number.

3115235112109 is a deficient number, since it is larger than the sum of its proper divisors (1).

3115235112109 is an equidigital number, since it uses as much as digits as its factorization.

3115235112109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 34.

The spelling of 3115235112109 in words is "three trillion, one hundred fifteen billion, two hundred thirty-five million, one hundred twelve thousand, one hundred nine".