1512050601557 has 2 divisors, whose sum is σ = 1512050601558. Its totient is φ = 1512050601556.

The previous prime is 1512050601499. The next prime is 1512050601559. The reversal of 1512050601557 is 7551060502151.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1153113016561 + 358937584996 = 1073831^2 + 599114^2 .

It is a cyclic number.

It is not a de Polignac number, because 1512050601557 - 2³² = 1507755634261 is a prime.

Together with 1512050601559, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1512050601557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1512050601559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756025300778 + 756025300779.

It is an arithmetic number, because the mean of its divisors is an integer number (756025300779).

Almost surely, 2^{1512050601557} is an apocalyptic number.

It is an amenable number.

1512050601557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1512050601557 is an equidigital number, since it uses as much as digits as its factorization.

1512050601557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52500, while the sum is 38.

The spelling of 1512050601557 in words is "one trillion, five hundred twelve billion, fifty million, six hundred one thousand, five hundred fifty-seven".