11633320256 has 28 divisors (see below), whose sum is σ = 23237769120. Its totient is φ = 5778134400.

The previous prime is 11633320253. The next prime is 11633320267. The reversal of 11633320256 is 65202333611.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11633320253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592226 + ... + 611553.

Almost surely, 2^11633320256 is an apocalyptic number.

11633320256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11633320256 is a deficient number, since it is larger than the sum of its proper divisors (11604448864).

11633320256 is a wasteful number, since it uses less digits than its factorization.

11633320256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203942 (or 1203932 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 11633320256 its reverse (65202333611), we get a palindrome (76835653867).

The spelling of 11633320256 in words is "eleven billion, six hundred thirty-three million, three hundred twenty thousand, two hundred fifty-six".