1011104399 has 4 divisors (see below), whose sum is σ = 1064320440. Its totient is φ = 957888360.

The previous prime is 1011104389. The next prime is 1011104407. The reversal of 1011104399 is 9934011101.

1011104399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1011104399 - 2¹⁶ = 1011038863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011104329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26607992 + ... + 26608029.

It is an arithmetic number, because the mean of its divisors is an integer number (266080110).

Almost surely, 2^1011104399 is an apocalyptic number.

1011104399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1011104399 is a deficient number, since it is larger than the sum of its proper divisors (53216041).

1011104399 is an equidigital number, since it uses as much as digits as its factorization.

1011104399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53216040.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 1011104399 is about 31797.8678373252. The cubic root of 1011104399 is about 1003.6878493817.

The spelling of 1011104399 in words is "one billion, eleven million, one hundred four thousand, three hundred ninety-nine".