1109999901 has 8 divisors (see below), whose sum is σ = 1496629440. Its totient is φ = 731685152.

The previous prime is 1109999897. The next prime is 1109999903. The reversal of 1109999901 is 1099999011.

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 1109999901 - 2² = 1109999897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109999903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2078385 + ... + 2078918.

It is an arithmetic number, because the mean of its divisors is an integer number (187078680).

Almost surely, 2^1109999901 is an apocalyptic number.

It is an amenable number.

1109999901 is a deficient number, since it is larger than the sum of its proper divisors (386629539).

1109999901 is an equidigital number, since it uses as much as digits as its factorization.

1109999901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4157395.

The product of its (nonzero) digits is 59049, while the sum is 48.

The square root of 1109999901 is about 33316.6610121723. The cubic root of 1109999901 is about 1035.3987746663.

The spelling of 1109999901 in words is "one billion, one hundred nine million, nine hundred ninety-nine thousand, nine hundred one".