263453541132 has 12 divisors (see below), whose sum is σ = 614724929336. Its totient is φ = 87817847040.

The previous prime is 263453541121. The next prime is 263453541151. The reversal of 263453541132 is 231145354362.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10977230869 + ... + 10977230892.

Almost surely, 2^263453541132 is an apocalyptic number.

It is an amenable number.

263453541132 is an abundant number, since it is smaller than the sum of its proper divisors (351271388204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

263453541132 is a wasteful number, since it uses less digits than its factorization.

263453541132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21954461768 (or 21954461766 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

Adding to 263453541132 its reverse (231145354362), we get a palindrome (494598895494).

The spelling of 263453541132 in words is "two hundred sixty-three billion, four hundred fifty-three million, five hundred forty-one thousand, one hundred thirty-two".