12815593111 has 2 divisors, whose sum is σ = 12815593112. Its totient is φ = 12815593110.

The previous prime is 12815593073. The next prime is 12815593117. The reversal of 12815593111 is 11139551821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12815593111 - 2¹⁵ = 12815560343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12815593117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6407796555 + 6407796556.

It is an arithmetic number, because the mean of its divisors is an integer number (6407796556).

Almost surely, 2^12815593111 is an apocalyptic number.

12815593111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12815593111 is an equidigital number, since it uses as much as digits as its factorization.

12815593111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 37.

The spelling of 12815593111 in words is "twelve billion, eight hundred fifteen million, five hundred ninety-three thousand, one hundred eleven".