265359525953551 has 2 divisors, whose sum is σ = 265359525953552. Its totient is φ = 265359525953550.

The previous prime is 265359525953539. The next prime is 265359525953569. The reversal of 265359525953551 is 155359525953562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265359525953551 - 2²⁹ = 265358989082639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265359525953531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132679762976775 + 132679762976776.

It is an arithmetic number, because the mean of its divisors is an integer number (132679762976776).

Almost surely, 2^{265359525953551} is an apocalyptic number.

265359525953551 is a deficient number, since it is larger than the sum of its proper divisors (1).

265359525953551 is an equidigital number, since it uses as much as digits as its factorization.

265359525953551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1366875000, while the sum is 70.

The spelling of 265359525953551 in words is "two hundred sixty-five trillion, three hundred fifty-nine billion, five hundred twenty-five million, nine hundred fifty-three thousand, five hundred fifty-one".