11356432656 has 20 divisors (see below), whose sum is σ = 29337451152. Its totient is φ = 3785477536.

The previous prime is 11356432621. The next prime is 11356432657. The reversal of 11356432656 is 65623465311.

It is not an unprimeable number, because it can be changed into a prime (11356432657) 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, 118296126 + ... + 118296221.

Almost surely, 2^11356432656 is an apocalyptic number.

11356432656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11356432656 is an abundant number, since it is smaller than the sum of its proper divisors (17981018496).

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

11356432656 is a wasteful number, since it uses less digits than its factorization.

11356432656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236592358 (or 236592352 counting only the distinct ones).

The product of its digits is 388800, while the sum is 42.

Adding to 11356432656 its reverse (65623465311), we get a palindrome (76979897967).

The spelling of 11356432656 in words is "eleven billion, three hundred fifty-six million, four hundred thirty-two thousand, six hundred fifty-six".