12146481511 has 2 divisors, whose sum is σ = 12146481512. Its totient is φ = 12146481510.

The previous prime is 12146481509. The next prime is 12146481517. The reversal of 12146481511 is 11518464121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12146481511 - 2¹ = 12146481509 is a prime.

Together with 12146481509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12146481517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6073240755 + 6073240756.

It is an arithmetic number, because the mean of its divisors is an integer number (6073240756).

Almost surely, 2^12146481511 is an apocalyptic number.

12146481511 is a deficient number, since it is larger than the sum of its proper divisors (1).

12146481511 is an equidigital number, since it uses as much as digits as its factorization.

12146481511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 34.

The spelling of 12146481511 in words is "twelve billion, one hundred forty-six million, four hundred eighty-one thousand, five hundred eleven".