1012521465503 has 2 divisors, whose sum is σ = 1012521465504. Its totient is φ = 1012521465502.

The previous prime is 1012521465479. The next prime is 1012521465517. The reversal of 1012521465503 is 3055641252101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012521465503 - 2²⁰ = 1012520416927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012521465523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506260732751 + 506260732752.

It is an arithmetic number, because the mean of its divisors is an integer number (506260732752).

Almost surely, 2^{1012521465503} is an apocalyptic number.

1012521465503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012521465503 is an equidigital number, since it uses as much as digits as its factorization.

1012521465503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 1012521465503 in words is "one trillion, twelve billion, five hundred twenty-one million, four hundred sixty-five thousand, five hundred three".