1513507505057 has 2 divisors, whose sum is σ = 1513507505058. Its totient is φ = 1513507505056.

The previous prime is 1513507505039. The next prime is 1513507505093. The reversal of 1513507505057 is 7505057053151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1109906497441 + 403601007616 = 1053521^2 + 635296^2 .

It is a cyclic number.

It is not a de Polignac number, because 1513507505057 - 2¹⁸ = 1513507242913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1513507504999 and 1513507505017.

It is not a weakly prime, because it can be changed into another prime (1513507505557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756753752528 + 756753752529.

It is an arithmetic number, because the mean of its divisors is an integer number (756753752529).

Almost surely, 2^{1513507505057} is an apocalyptic number.

It is an amenable number.

1513507505057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513507505057 is an equidigital number, since it uses as much as digits as its factorization.

1513507505057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 459375, while the sum is 44.

The spelling of 1513507505057 in words is "one trillion, five hundred thirteen billion, five hundred seven million, five hundred five thousand, fifty-seven".