1512130105657 has 2 divisors, whose sum is σ = 1512130105658. Its totient is φ = 1512130105656.

The previous prime is 1512130105601. The next prime is 1512130105691. The reversal of 1512130105657 is 7565010312151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1000832173056 + 511297932601 = 1000416^2 + 715051^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1512130105657 is a prime.

It is not a weakly prime, because it can be changed into another prime (1512130105697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756065052828 + 756065052829.

It is an arithmetic number, because the mean of its divisors is an integer number (756065052829).

Almost surely, 2^{1512130105657} is an apocalyptic number.

It is an amenable number.

1512130105657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1512130105657 is an equidigital number, since it uses as much as digits as its factorization.

1512130105657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 37.

The spelling of 1512130105657 in words is "one trillion, five hundred twelve billion, one hundred thirty million, one hundred five thousand, six hundred fifty-seven".