12195097511 has 2 divisors, whose sum is σ = 12195097512. Its totient is φ = 12195097510.

The previous prime is 12195097483. The next prime is 12195097531. The reversal of 12195097511 is 11579059121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12195097511 - 2¹⁴ = 12195081127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12195097531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6097548755 + 6097548756.

It is an arithmetic number, because the mean of its divisors is an integer number (6097548756).

Almost surely, 2^12195097511 is an apocalyptic number.

12195097511 is a deficient number, since it is larger than the sum of its proper divisors (1).

12195097511 is an equidigital number, since it uses as much as digits as its factorization.

12195097511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350, while the sum is 41.

The spelling of 12195097511 in words is "twelve billion, one hundred ninety-five million, ninety-seven thousand, five hundred eleven".