232521153415129 has 2 divisors, whose sum is σ = 232521153415130. Its totient is φ = 232521153415128.

The previous prime is 232521153415127. The next prime is 232521153415247. The reversal of 232521153415129 is 921514351125232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137722500083529 + 94798653331600 = 11735523^2 + 9736460^2 .

It is a cyclic number.

It is not a de Polignac number, because 232521153415129 - 2¹ = 232521153415127 is a prime.

Together with 232521153415127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (232521153415127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116260576707564 + 116260576707565.

It is an arithmetic number, because the mean of its divisors is an integer number (116260576707565).

Almost surely, 2^{232521153415129} is an apocalyptic number.

It is an amenable number.

232521153415129 is a deficient number, since it is larger than the sum of its proper divisors (1).

232521153415129 is an equidigital number, since it uses as much as digits as its factorization.

232521153415129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 46.

The spelling of 232521153415129 in words is "two hundred thirty-two trillion, five hundred twenty-one billion, one hundred fifty-three million, four hundred fifteen thousand, one hundred twenty-nine".