265243146440105 has 8 divisors (see below), whose sum is σ = 318412021975872. Its totient is φ = 212114352986928.

The previous prime is 265243146440099. The next prime is 265243146440141. The reversal of 265243146440105 is 501044641342562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 265243146440105 - 2²⁸ = 265242878004649 is a prime.

It is a super-2 number, since 2×265243146440105² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 265243146440105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10020506087 + ... + 10020532556.

It is an arithmetic number, because the mean of its divisors is an integer number (39801502746984).

Almost surely, 2^{265243146440105} is an apocalyptic number.

It is an amenable number.

265243146440105 is a deficient number, since it is larger than the sum of its proper divisors (53168875535767).

265243146440105 is a wasteful number, since it uses less digits than its factorization.

265243146440105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20041041295.

The product of its (nonzero) digits is 2764800, while the sum is 47.

Adding to 265243146440105 its reverse (501044641342562), we get a palindrome (766287787782667).

The spelling of 265243146440105 in words is "two hundred sixty-five trillion, two hundred forty-three billion, one hundred forty-six million, four hundred forty thousand, one hundred five".