11251123112 has 16 divisors (see below), whose sum is σ = 21096987840. Its totient is φ = 5625259696.

The previous prime is 11251123031. The next prime is 11251123123. The reversal of 11251123112 is 21132115211.

11251123112 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247553 + ... + 289455.

It is an arithmetic number, because the mean of its divisors is an integer number (1318561740).

Almost surely, 2^11251123112 is an apocalyptic number.

It is an amenable number.

11251123112 is a deficient number, since it is larger than the sum of its proper divisors (9845864728).

11251123112 is a wasteful number, since it uses less digits than its factorization.

11251123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75472 (or 75468 counting only the distinct ones).

The product of its digits is 120, while the sum is 20.

Adding to 11251123112 its reverse (21132115211), we get a palindrome (32383238323).

The spelling of 11251123112 in words is "eleven billion, two hundred fifty-one million, one hundred twenty-three thousand, one hundred twelve".