230125155521 has 2 divisors, whose sum is σ = 230125155522. Its totient is φ = 230125155520.

The previous prime is 230125155497. The next prime is 230125155541. The reversal of 230125155521 is 125551521032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128424756496 + 101700399025 = 358364^2 + 318905^2 .

It is a cyclic number.

It is not a de Polignac number, because 230125155521 - 2¹⁸ = 230124893377 is a prime.

It is not a weakly prime, because it can be changed into another prime (230125155541) 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, 115062577760 + 115062577761.

It is an arithmetic number, because the mean of its divisors is an integer number (115062577761).

Almost surely, 2^230125155521 is an apocalyptic number.

It is an amenable number.

230125155521 is a deficient number, since it is larger than the sum of its proper divisors (1).

230125155521 is an equidigital number, since it uses as much as digits as its factorization.

230125155521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15000, while the sum is 32.

Adding to 230125155521 its reverse (125551521032), we get a palindrome (355676676553).

The spelling of 230125155521 in words is "two hundred thirty billion, one hundred twenty-five million, one hundred fifty-five thousand, five hundred twenty-one".