265143115534225 has 48 divisors (see below), whose sum is σ = 332647459200000. Its totient is φ = 209625627744000.

The previous prime is 265143115534217. The next prime is 265143115534291. The reversal of 265143115534225 is 522435511341562.

It is not a de Polignac number, because 265143115534225 - 2³ = 265143115534217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10691673376 + ... + 10691698174.

It is an arithmetic number, because the mean of its divisors is an integer number (6930155400000).

Almost surely, 2^{265143115534225} is an apocalyptic number.

265143115534225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

265143115534225 is a deficient number, since it is larger than the sum of its proper divisors (67504343665775).

265143115534225 is a wasteful number, since it uses less digits than its factorization.

265143115534225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32578 (or 32573 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 49.

Adding to 265143115534225 its reverse (522435511341562), we get a palindrome (787578626875787).

The spelling of 265143115534225 in words is "two hundred sixty-five trillion, one hundred forty-three billion, one hundred fifteen million, five hundred thirty-four thousand, two hundred twenty-five".