265632552331 has 24 divisors (see below), whose sum is σ = 286483288320. Its totient is φ = 245613933936.

The previous prime is 265632552323. The next prime is 265632552343. The reversal of 265632552331 is 133255236562.

It is not a de Polignac number, because 265632552331 - 2³ = 265632552323 is a prime.

It is a super-2 number, since 2×265632552331² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265632552431) 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 23 ways as a sum of consecutive naturals, for example, 73316586 + ... + 73320208.

It is an arithmetic number, because the mean of its divisors is an integer number (11936803680).

Almost surely, 2^265632552331 is an apocalyptic number.

265632552331 is a deficient number, since it is larger than the sum of its proper divisors (20850735989).

265632552331 is a wasteful number, since it uses less digits than its factorization.

265632552331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5815 (or 5772 counting only the distinct ones).

The product of its digits is 972000, while the sum is 43.

Adding to 265632552331 its reverse (133255236562), we get a palindrome (398887788893).

The spelling of 265632552331 in words is "two hundred sixty-five billion, six hundred thirty-two million, five hundred fifty-two thousand, three hundred thirty-one".