12553191503 has 2 divisors, whose sum is σ = 12553191504. Its totient is φ = 12553191502.

The previous prime is 12553191473. The next prime is 12553191533. The reversal of 12553191503 is 30519135521.

It is a balanced prime because it is at equal distance from previous prime (12553191473) and next prime (12553191533).

It is a cyclic number.

It is not a de Polignac number, because 12553191503 - 2¹² = 12553187407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12553191533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6276595751 + 6276595752.

It is an arithmetic number, because the mean of its divisors is an integer number (6276595752).

Almost surely, 2^12553191503 is an apocalyptic number.

12553191503 is a deficient number, since it is larger than the sum of its proper divisors (1).

12553191503 is an equidigital number, since it uses as much as digits as its factorization.

12553191503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20250, while the sum is 35.

The spelling of 12553191503 in words is "twelve billion, five hundred fifty-three million, one hundred ninety-one thousand, five hundred three".