111799503409 has 8 divisors (see below), whose sum is σ = 129137394528. Its totient is φ = 95657328960.

The previous prime is 111799503397. The next prime is 111799503449. The reversal of 111799503409 is 904305997111.

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

It is a cyclic number.

It is not a de Polignac number, because 111799503409 - 2¹³ = 111799495217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111799503449) 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, 298928967 + ... + 298929340.

It is an arithmetic number, because the mean of its divisors is an integer number (16142174316).

Almost surely, 2^111799503409 is an apocalyptic number.

It is an amenable number.

111799503409 is a deficient number, since it is larger than the sum of its proper divisors (17337891119).

111799503409 is a wasteful number, since it uses less digits than its factorization.

111799503409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597858335.

The product of its (nonzero) digits is 306180, while the sum is 49.

The spelling of 111799503409 in words is "one hundred eleven billion, seven hundred ninety-nine million, five hundred three thousand, four hundred nine".