3115411643 has 2 divisors, whose sum is σ = 3115411644. Its totient is φ = 3115411642.

The previous prime is 3115411577. The next prime is 3115411657. The reversal of 3115411643 is 3461145113.

It is a strong prime.

It is an emirp because it is prime and its reverse (3461145113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3115411643 - 2¹⁶ = 3115346107 is a prime.

It is not a weakly prime, because it can be changed into another prime (3115411543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1557705821 + 1557705822.

It is an arithmetic number, because the mean of its divisors is an integer number (1557705822).

Almost surely, 2^3115411643 is an apocalyptic number.

3115411643 is a deficient number, since it is larger than the sum of its proper divisors (1).

3115411643 is an equidigital number, since it uses as much as digits as its factorization.

3115411643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 29.

The square root of 3115411643 is about 55815.8726797315. The cubic root of 3115411643 is about 1460.5120557992.

Adding to 3115411643 its reverse (3461145113), we get a palindrome (6576556756).

The spelling of 3115411643 in words is "three billion, one hundred fifteen million, four hundred eleven thousand, six hundred forty-three".