11156656050 has 36 divisors (see below), whose sum is σ = 29974217130. Its totient is φ = 2975108160.

The previous prime is 11156656039. The next prime is 11156656057. The reversal of 11156656050 is 5065665111.

It can be written as a sum of positive squares in 3 ways, for example, as 10577916801 + 578739249 = 102849^2 + 24057^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11156655996 and 11156656014.

It is not an unprimeable number, because it can be changed into a prime (11156656057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12395835 + ... + 12396734.

Almost surely, 2^11156656050 is an apocalyptic number.

11156656050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11156656050 is an abundant number, since it is smaller than the sum of its proper divisors (18817561080).

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

11156656050 is a wasteful number, since it uses less digits than its factorization.

11156656050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24792587 (or 24792579 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 11156656050 in words is "eleven billion, one hundred fifty-six million, six hundred fifty-six thousand, fifty".