1113111528 has 32 divisors (see below), whose sum is σ = 2841989760. Its totient is φ = 363142400.

The previous prime is 1113111511. The next prime is 1113111529. The reversal of 1113111528 is 8251113111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1113111498 and 1113111507.

It is not an unprimeable number, because it can be changed into a prime (1113111529) 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, 492273 + ... + 494528.

It is an arithmetic number, because the mean of its divisors is an integer number (88812180).

Almost surely, 2^1113111528 is an apocalyptic number.

It is an amenable number.

1113111528 is an abundant number, since it is smaller than the sum of its proper divisors (1728878232).

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

1113111528 is a wasteful number, since it uses less digits than its factorization.

1113111528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986857 (or 986853 counting only the distinct ones).

The product of its digits is 240, while the sum is 24.

The square root of 1113111528 is about 33363.3260931820. The cubic root of 1113111528 is about 1036.3653720388.

Adding to 1113111528 its reverse (8251113111), we get a palindrome (9364224639).

The spelling of 1113111528 in words is "one billion, one hundred thirteen million, one hundred eleven thousand, five hundred twenty-eight".