3115545115489 has 2 divisors, whose sum is σ = 3115545115490. Its totient is φ = 3115545115488.

The previous prime is 3115545115469. The next prime is 3115545115541. The reversal of 3115545115489 is 9845115455113.

It is an a-pointer prime, because the next prime (3115545115541) can be obtained adding 3115545115489 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2951850429025 + 163694686464 = 1718095^2 + 404592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3115545115489 is a prime.

It is a super-3 number, since 3×3115545115489³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (3115545115469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1557772557744 + 1557772557745.

It is an arithmetic number, because the mean of its divisors is an integer number (1557772557745).

Almost surely, 2^{3115545115489} is an apocalyptic number.

It is an amenable number.

3115545115489 is a deficient number, since it is larger than the sum of its proper divisors (1).

3115545115489 is an equidigital number, since it uses as much as digits as its factorization.

3115545115489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160000, while the sum is 52.

The spelling of 3115545115489 in words is "three trillion, one hundred fifteen billion, five hundred forty-five million, one hundred fifteen thousand, four hundred eighty-nine".