1115530012 has 6 divisors (see below), whose sum is σ = 1952177528. Its totient is φ = 557765004.

The previous prime is 1115529971. The next prime is 1115530019. The reversal of 1115530012 is 2100355111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115530019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139441248 + ... + 139441255.

Almost surely, 2^1115530012 is an apocalyptic number.

It is an amenable number.

1115530012 is a deficient number, since it is larger than the sum of its proper divisors (836647516).

1115530012 is a wasteful number, since it uses less digits than its factorization.

1115530012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278882507 (or 278882505 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 1115530012 is about 33399.5510748273. The cubic root of 1115530012 is about 1037.1154076921.

Adding to 1115530012 its reverse (2100355111), we get a palindrome (3215885123).

The spelling of 1115530012 in words is "one billion, one hundred fifteen million, five hundred thirty thousand, twelve".