265353055129 has 2 divisors, whose sum is σ = 265353055130. Its totient is φ = 265353055128.

The previous prime is 265353055103. The next prime is 265353055139. The reversal of 265353055129 is 921550353562.

265353055129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257896387225 + 7456667904 = 507835^2 + 86352^2 .

It is a cyclic number.

It is not a de Polignac number, because 265353055129 - 2⁷ = 265353055001 is a prime.

It is a super-2 number, since 2×265353055129² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (265353055139) 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, 132676527564 + 132676527565.

It is an arithmetic number, because the mean of its divisors is an integer number (132676527565).

Almost surely, 2^265353055129 is an apocalyptic number.

It is an amenable number.

265353055129 is a deficient number, since it is larger than the sum of its proper divisors (1).

265353055129 is an equidigital number, since it uses as much as digits as its factorization.

265353055129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1215000, while the sum is 46.

The spelling of 265353055129 in words is "two hundred sixty-five billion, three hundred fifty-three million, fifty-five thousand, one hundred twenty-nine".