11121131125552 has 80 divisors (see below), whose sum is σ = 26078782047552. Its totient is φ = 4484996628480.

The previous prime is 11121131125541. The next prime is 11121131125609. The reversal of 11121131125552 is 25552113112111.

It is a happy number.

11121131125552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9702688 + ... + 10788160.

Almost surely, 2^{11121131125552} is an apocalyptic number.

It is an amenable number.

11121131125552 is an abundant number, since it is smaller than the sum of its proper divisors (14957650922000).

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

11121131125552 is a wasteful number, since it uses less digits than its factorization.

11121131125552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090886 (or 1090880 counting only the distinct ones).

The product of its digits is 3000, while the sum is 31.

Adding to 11121131125552 its reverse (25552113112111), we get a palindrome (36673244237663).

The spelling of 11121131125552 in words is "eleven trillion, one hundred twenty-one billion, one hundred thirty-one million, one hundred twenty-five thousand, five hundred fifty-two".