265243124411431 has 16 divisors (see below), whose sum is σ = 271660878042400. Its totient is φ = 258893926272000.

The previous prime is 265243124411429. The next prime is 265243124411459. The reversal of 265243124411431 is 134114421342562.

It is a cyclic number.

It is not a de Polignac number, because 265243124411431 - 2¹ = 265243124411429 is a prime.

It is a super-2 number, since 2×265243124411431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265243124411401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10225231 + ... + 25200031.

It is an arithmetic number, because the mean of its divisors is an integer number (16978804877650).

Almost surely, 2^{265243124411431} is an apocalyptic number.

265243124411431 is a deficient number, since it is larger than the sum of its proper divisors (6417753630969).

265243124411431 is a wasteful number, since it uses less digits than its factorization.

265243124411431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14977090.

The product of its digits is 552960, while the sum is 43.

Adding to 265243124411431 its reverse (134114421342562), we get a palindrome (399357545753993).

The spelling of 265243124411431 in words is "two hundred sixty-five trillion, two hundred forty-three billion, one hundred twenty-four million, four hundred eleven thousand, four hundred thirty-one".