1045126115513 has 2 divisors, whose sum is σ = 1045126115514. Its totient is φ = 1045126115512.

The previous prime is 1045126115441. The next prime is 1045126115531. The reversal of 1045126115513 is 3155116215401.

Together with next prime (1045126115531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1000096002304 + 45030113209 = 1000048^2 + 212203^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045126115513 - 2¹⁰ = 1045126114489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1045126165513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522563057756 + 522563057757.

It is an arithmetic number, because the mean of its divisors is an integer number (522563057757).

Almost surely, 2^{1045126115513} is an apocalyptic number.

It is an amenable number.

1045126115513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045126115513 is an equidigital number, since it uses as much as digits as its factorization.

1045126115513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 35.

The spelling of 1045126115513 in words is "one trillion, forty-five billion, one hundred twenty-six million, one hundred fifteen thousand, five hundred thirteen".