12553515371 has 2 divisors, whose sum is σ = 12553515372. Its totient is φ = 12553515370.

The previous prime is 12553515349. The next prime is 12553515383. The reversal of 12553515371 is 17351535521.

It is a strong prime.

It is an emirp because it is prime and its reverse (17351535521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12553515371 - 2⁶ = 12553515307 is a prime.

It is not a weakly prime, because it can be changed into another prime (12553517371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6276757685 + 6276757686.

It is an arithmetic number, because the mean of its divisors is an integer number (6276757686).

Almost surely, 2^12553515371 is an apocalyptic number.

12553515371 is a deficient number, since it is larger than the sum of its proper divisors (1).

12553515371 is an equidigital number, since it uses as much as digits as its factorization.

12553515371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78750, while the sum is 38.

The spelling of 12553515371 in words is "twelve billion, five hundred fifty-three million, five hundred fifteen thousand, three hundred seventy-one".