12152517551 has 2 divisors, whose sum is σ = 12152517552. Its totient is φ = 12152517550.

The previous prime is 12152517523. The next prime is 12152517557. The reversal of 12152517551 is 15571525121.

It is a strong prime.

It is an emirp because it is prime and its reverse (15571525121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12152517551 - 2¹⁸ = 12152255407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12152517557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6076258775 + 6076258776.

It is an arithmetic number, because the mean of its divisors is an integer number (6076258776).

Almost surely, 2^12152517551 is an apocalyptic number.

12152517551 is a deficient number, since it is larger than the sum of its proper divisors (1).

12152517551 is an equidigital number, since it uses as much as digits as its factorization.

12152517551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17500, while the sum is 35.

The spelling of 12152517551 in words is "twelve billion, one hundred fifty-two million, five hundred seventeen thousand, five hundred fifty-one".