1113021516 has 24 divisors (see below), whose sum is σ = 2603411440. Its totient is φ = 370098432.

The previous prime is 1113021499. The next prime is 1113021557. The reversal of 1113021516 is 6151203111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1113021492 and 1113021501.

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, 108481 + ... + 118296.

Almost surely, 2^1113021516 is an apocalyptic number.

It is an amenable number.

1113021516 is an abundant number, since it is smaller than the sum of its proper divisors (1490389924).

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

1113021516 is a wasteful number, since it uses less digits than its factorization.

1113021516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227193 (or 227191 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1113021516 is about 33361.9770996864. The cubic root of 1113021516 is about 1036.3374359839.

Adding to 1113021516 its reverse (6151203111), we get a palindrome (7264224627).

The spelling of 1113021516 in words is "one billion, one hundred thirteen million, twenty-one thousand, five hundred sixteen".