1530320601157 has 2 divisors, whose sum is σ = 1530320601158. Its totient is φ = 1530320601156.

The previous prime is 1530320601137. The next prime is 1530320601179. The reversal of 1530320601157 is 7511060230351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1516528212676 + 13792388481 = 1231474^2 + 117441^2 .

It is a cyclic number.

It is not a de Polignac number, because 1530320601157 - 2¹⁹ = 1530320076869 is a prime.

It is a super-2 number, since 2×1530320601157² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1530320601137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765160300578 + 765160300579.

It is an arithmetic number, because the mean of its divisors is an integer number (765160300579).

Almost surely, 2^{1530320601157} is an apocalyptic number.

It is an amenable number.

1530320601157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530320601157 is an equidigital number, since it uses as much as digits as its factorization.

1530320601157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 34.

The spelling of 1530320601157 in words is "one trillion, five hundred thirty billion, three hundred twenty million, six hundred one thousand, one hundred fifty-seven".