11100999999 has 8 divisors (see below), whose sum is σ = 15201369520. Its totient is φ = 7200648576.

The previous prime is 11100999913. The next prime is 11101000019. The reversal of 11100999999 is 99999900111.

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

It is not a de Polignac number, because 11100999999 - 2⁸ = 11100999743 is a prime.

It is a Duffinian number.

11100999999 is a modest number, since divided by 999999 gives 11100 as remainder.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100999799) 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, 50004394 + ... + 50004615.

It is an arithmetic number, because the mean of its divisors is an integer number (1900171190).

Almost surely, 2^11100999999 is an apocalyptic number.

11100999999 is a deficient number, since it is larger than the sum of its proper divisors (4100369521).

11100999999 is a wasteful number, since it uses less digits than its factorization.

11100999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100009049.

The product of its (nonzero) digits is 531441, while the sum is 57.

The spelling of 11100999999 in words is "eleven billion, one hundred million, nine hundred ninety-nine thousand, nine hundred ninety-nine".