6511050503453 has 2 divisors, whose sum is σ = 6511050503454. Its totient is φ = 6511050503452.

The previous prime is 6511050503443. The next prime is 6511050503543. The reversal of 6511050503453 is 3543050501156.

Together with next prime (6511050503543) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6203377272964 + 307673230489 = 2490658^2 + 554683^2 .

It is a cyclic number.

It is not a de Polignac number, because 6511050503453 - 2²⁸ = 6510782067997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6511050503443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3255525251726 + 3255525251727.

It is an arithmetic number, because the mean of its divisors is an integer number (3255525251727).

Almost surely, 2^{6511050503453} is an apocalyptic number.

It is an amenable number.

6511050503453 is a deficient number, since it is larger than the sum of its proper divisors (1).

6511050503453 is an equidigital number, since it uses as much as digits as its factorization.

6511050503453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 6511050503453 in words is "six trillion, five hundred eleven billion, fifty million, five hundred three thousand, four hundred fifty-three".