12553515383 has 2 divisors, whose sum is σ = 12553515384. Its totient is φ = 12553515382.

The previous prime is 12553515371. The next prime is 12553515421. The reversal of 12553515383 is 38351535521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12553515383 - 2⁸ = 12553515127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12553515383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12553514383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6276757691 + 6276757692.

It is an arithmetic number, because the mean of its divisors is an integer number (6276757692).

Almost surely, 2^12553515383 is an apocalyptic number.

12553515383 is a deficient number, since it is larger than the sum of its proper divisors (1).

12553515383 is an equidigital number, since it uses as much as digits as its factorization.

12553515383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270000, while the sum is 41.

The spelling of 12553515383 in words is "twelve billion, five hundred fifty-three million, five hundred fifteen thousand, three hundred eighty-three".