3115875611669 has 2 divisors, whose sum is σ = 3115875611670. Its totient is φ = 3115875611668.

The previous prime is 3115875611657. The next prime is 3115875611671. The reversal of 3115875611669 is 9661165785113.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2612716632100 + 503158979569 = 1616390^2 + 709337^2 .

It is a cyclic number.

It is not a de Polignac number, because 3115875611669 - 2³² = 3111580644373 is a prime.

It is a super-2 number, since 2×3115875611669² (a number of 26 digits) contains 22 as substring.

Together with 3115875611671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3115875611609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1557937805834 + 1557937805835.

It is an arithmetic number, because the mean of its divisors is an integer number (1557937805835).

Almost surely, 2^{3115875611669} is an apocalyptic number.

It is an amenable number.

3115875611669 is a deficient number, since it is larger than the sum of its proper divisors (1).

3115875611669 is an equidigital number, since it uses as much as digits as its factorization.

3115875611669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 59.

The spelling of 3115875611669 in words is "three trillion, one hundred fifteen billion, eight hundred seventy-five million, six hundred eleven thousand, six hundred sixty-nine".