265135136544425 has 192 divisors, whose sum is σ = 404041439692800. Its totient is φ = 168742422374400.

The previous prime is 265135136544283. The next prime is 265135136544427. The reversal of 265135136544425 is 524445631531562.

It is not a de Polignac number, because 265135136544425 - 2²⁴ = 265135119767209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (265135136544427) 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 in 191 ways as a sum of consecutive naturals, for example, 6545395022 + ... + 6545435528.

It is an arithmetic number, because the mean of its divisors is an integer number (2104382498400).

Almost surely, 2^{265135136544425} is an apocalyptic number.

265135136544425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

265135136544425 is a deficient number, since it is larger than the sum of its proper divisors (138906303148375).

265135136544425 is a wasteful number, since it uses less digits than its factorization.

265135136544425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41056 (or 41051 counting only the distinct ones).

The product of its digits is 51840000, while the sum is 56.

The spelling of 265135136544425 in words is "two hundred sixty-five trillion, one hundred thirty-five billion, one hundred thirty-six million, five hundred forty-four thousand, four hundred twenty-five".