11120023128 has 32 divisors (see below), whose sum is σ = 27809152560. Its totient is φ = 3705461760.

The previous prime is 11120023111. The next prime is 11120023129. The reversal of 11120023128 is 82132002111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120023129) 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, 676 + ... + 149132.

Almost surely, 2^11120023128 is an apocalyptic number.

It is an amenable number.

11120023128 is an abundant number, since it is smaller than the sum of its proper divisors (16689129432).

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

11120023128 is a wasteful number, since it uses less digits than its factorization.

11120023128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151587 (or 151583 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 11120023128 its reverse (82132002111), we get a palindrome (93252025239).

The spelling of 11120023128 in words is "eleven billion, one hundred twenty million, twenty-three thousand, one hundred twenty-eight".