12553517371 has 2 divisors, whose sum is σ = 12553517372. Its totient is φ = 12553517370.

The previous prime is 12553517297. The next prime is 12553517393. The reversal of 12553517371 is 17371535521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12553517371 - 2³¹ = 10406033723 is a prime.

It is not a weakly prime, because it can be changed into another prime (12553517671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6276758685 + 6276758686.

It is an arithmetic number, because the mean of its divisors is an integer number (6276758686).

Almost surely, 2^12553517371 is an apocalyptic number.

12553517371 is a deficient number, since it is larger than the sum of its proper divisors (1).

12553517371 is an equidigital number, since it uses as much as digits as its factorization.

12553517371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110250, while the sum is 40.

The spelling of 12553517371 in words is "twelve billion, five hundred fifty-three million, five hundred seventeen thousand, three hundred seventy-one".