1115009309112 has 32 divisors (see below), whose sum is σ = 2787798487680. Its totient is φ = 371633074400.

The previous prime is 1115009309077. The next prime is 1115009309131. The reversal of 1115009309112 is 2119039005111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2044758 + ... + 2532005.

It is an arithmetic number, because the mean of its divisors is an integer number (87118702740).

Almost surely, 2^{1115009309112} is an apocalyptic number.

1115009309112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1115009309112 is an abundant number, since it is smaller than the sum of its proper divisors (1672789178568).

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

1115009309112 is a wasteful number, since it uses less digits than its factorization.

1115009309112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586923 (or 4586919 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 33.

The spelling of 1115009309112 in words is "one trillion, one hundred fifteen billion, nine million, three hundred nine thousand, one hundred twelve".