1111320231125 has 32 divisors (see below), whose sum is σ = 1511609928192. Its totient is φ = 810779592000.

The previous prime is 1111320231079. The next prime is 1111320231187. The reversal of 1111320231125 is 5211320231111.

It is not a de Polignac number, because 1111320231125 - 2⁶ = 1111320231061 is a prime.

It is a super-2 number, since 2×1111320231125² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1111320231125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3984941 + ... + 4254690.

It is an arithmetic number, because the mean of its divisors is an integer number (47237810256).

Almost surely, 2^{1111320231125} is an apocalyptic number.

It is an amenable number.

1111320231125 is a deficient number, since it is larger than the sum of its proper divisors (400289697067).

1111320231125 is an equidigital number, since it uses as much as digits as its factorization.

1111320231125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8239742 (or 8239732 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 1111320231125 its reverse (5211320231111), we get a palindrome (6322640462236).

The spelling of 1111320231125 in words is "one trillion, one hundred eleven billion, three hundred twenty million, two hundred thirty-one thousand, one hundred twenty-five".