11002155112 has 32 divisors (see below), whose sum is σ = 22236013800. Its totient is φ = 5073318144.

The previous prime is 11002155077. The next prime is 11002155119. The reversal of 11002155112 is 21155120011.

It can be written as a sum of positive squares in 4 ways, for example, as 5084545636 + 5917609476 = 71306^2 + 76926^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11002155112.

It is not an unprimeable number, because it can be changed into a prime (11002155119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68814 + ... + 163522.

Almost surely, 2^11002155112 is an apocalyptic number.

It is an amenable number.

11002155112 is an abundant number, since it is smaller than the sum of its proper divisors (11233858688).

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

11002155112 is a wasteful number, since it uses less digits than its factorization.

11002155112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95845 (or 95841 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 19.

Adding to 11002155112 its reverse (21155120011), we get a palindrome (32157275123).

The spelling of 11002155112 in words is "eleven billion, two million, one hundred fifty-five thousand, one hundred twelve".