11111120032 has 48 divisors (see below), whose sum is σ = 23173661952. Its totient is φ = 5226081280.

The previous prime is 11111120011. The next prime is 11111120047. The reversal of 11111120032 is 23002111111.

It is a happy number.

It is a super-3 number, since 3×11111120032³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11111119994 and 11111120021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405563 + ... + 1413445.

It is an arithmetic number, because the mean of its divisors is an integer number (482784624).

Almost surely, 2^11111120032 is an apocalyptic number.

It is an amenable number.

11111120032 is an abundant number, since it is smaller than the sum of its proper divisors (12062541920).

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

11111120032 is a wasteful number, since it uses less digits than its factorization.

11111120032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10501 (or 10493 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11111120032 its reverse (23002111111), we get a palindrome (34113231143).

The spelling of 11111120032 in words is "eleven billion, one hundred eleven million, one hundred twenty thousand, thirty-two".