1115040099 has 8 divisors (see below), whose sum is σ = 1564968640. Its totient is φ = 704235816.

The previous prime is 1115040097. The next prime is 1115040107. The reversal of 1115040099 is 9900405111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1115040099 - 2¹ = 1115040097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115040097) 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, 9780997 + ... + 9781110.

It is an arithmetic number, because the mean of its divisors is an integer number (195621080).

Almost surely, 2^1115040099 is an apocalyptic number.

1115040099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1115040099 is a deficient number, since it is larger than the sum of its proper divisors (449928541).

1115040099 is a wasteful number, since it uses less digits than its factorization.

1115040099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19562129.

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 1115040099 is about 33392.2161438860. The cubic root of 1115040099 is about 1036.9635603745.

The spelling of 1115040099 in words is "one billion, one hundred fifteen million, forty thousand, ninety-nine".