11156612224 has 32 divisors (see below), whose sum is σ = 22354582140. Its totient is φ = 5546050560.

The previous prime is 11156612221. The next prime is 11156612239. The reversal of 11156612224 is 42221665111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9715650624 + 1440961600 = 98568^2 + 37960^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (11156612221) 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, 229767 + ... + 274054.

Almost surely, 2^11156612224 is an apocalyptic number.

It is an amenable number.

11156612224 is an abundant number, since it is smaller than the sum of its proper divisors (11197969916).

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

11156612224 is an equidigital number, since it uses as much as digits as its factorization.

11156612224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504008 (or 503996 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The spelling of 11156612224 in words is "eleven billion, one hundred fifty-six million, six hundred twelve thousand, two hundred twenty-four".