1111103023032 has 128 divisors (see below), whose sum is σ = 3127103784000. Its totient is φ = 370059155712.

The previous prime is 1111103022983. The next prime is 1111103023033. The reversal of 1111103023032 is 2303203011111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1111103022996 and 1111103023014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111103023033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21476748 + ... + 21528420.

Almost surely, 2^{1111103023032} is an apocalyptic number.

1111103023032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111103023032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1563551892000).

1111103023032 is an abundant number, since it is smaller than the sum of its proper divisors (2016000760968).

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

1111103023032 is an equidigital number, since it uses as much as digits as its factorization.

1111103023032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52929 (or 52907 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1111103023032 its reverse (2303203011111), we get a palindrome (3414306034143).

The spelling of 1111103023032 in words is "one trillion, one hundred eleven billion, one hundred three million, twenty-three thousand, thirty-two".