11305135256 has 8 divisors (see below), whose sum is σ = 21197128620. Its totient is φ = 5652567624.

The previous prime is 11305135253. The next prime is 11305135277. The reversal of 11305135256 is 65253150311.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11305135253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706570946 + ... + 706570961.

Almost surely, 2^11305135256 is an apocalyptic number.

It is an amenable number.

11305135256 is a deficient number, since it is larger than the sum of its proper divisors (9891993364).

11305135256 is a wasteful number, since it uses less digits than its factorization.

11305135256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413141913 (or 1413141909 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 11305135256 its reverse (65253150311), we get a palindrome (76558285567).

The spelling of 11305135256 in words is "eleven billion, three hundred five million, one hundred thirty-five thousand, two hundred fifty-six".