1513341225457 has 2 divisors, whose sum is σ = 1513341225458. Its totient is φ = 1513341225456.

The previous prime is 1513341225449. The next prime is 1513341225469. The reversal of 1513341225457 is 7545221433151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1483989312481 + 29351912976 = 1218191^2 + 171324^2 .

It is a cyclic number.

It is not a de Polignac number, because 1513341225457 - 2³ = 1513341225449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1513341225427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756670612728 + 756670612729.

It is an arithmetic number, because the mean of its divisors is an integer number (756670612729).

Almost surely, 2^{1513341225457} is an apocalyptic number.

It is an amenable number.

1513341225457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513341225457 is an equidigital number, since it uses as much as digits as its factorization.

1513341225457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504000, while the sum is 43.

The spelling of 1513341225457 in words is "one trillion, five hundred thirteen billion, three hundred forty-one million, two hundred twenty-five thousand, four hundred fifty-seven".