11100040999 has 2 divisors, whose sum is σ = 11100041000. Its totient is φ = 11100040998.

The previous prime is 11100040961. The next prime is 11100041011. The reversal of 11100040999 is 99904000111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11100040999 - 2⁷ = 11100040871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100040909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550020499 + 5550020500.

It is an arithmetic number, because the mean of its divisors is an integer number (5550020500).

Almost surely, 2^11100040999 is an apocalyptic number.

11100040999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100040999 is an equidigital number, since it uses as much as digits as its factorization.

11100040999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 11100040999 in words is "eleven billion, one hundred million, forty thousand, nine hundred ninety-nine".