11201155002 has 24 divisors (see below), whose sum is σ = 24322292436. Its totient is φ = 3725545536.

The previous prime is 11201155001. The next prime is 11201155033. The reversal of 11201155002 is 20055110211.

11201155002 is a `hidden beast` number, since 112 + 0 + 1 + 1 + 550 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10596437721 + 604717281 = 102939^2 + 24591^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11201155001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 672613 + ... + 689064.

Almost surely, 2^11201155002 is an apocalyptic number.

11201155002 is an abundant number, since it is smaller than the sum of its proper divisors (13121137434).

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

11201155002 is a wasteful number, since it uses less digits than its factorization.

11201155002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362142 (or 1362139 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

Adding to 11201155002 its reverse (20055110211), we get a palindrome (31256265213).

The spelling of 11201155002 in words is "eleven billion, two hundred one million, one hundred fifty-five thousand, two".