11100110009987 has 2 divisors, whose sum is σ = 11100110009988. Its totient is φ = 11100110009986.

The previous prime is 11100110009969. The next prime is 11100110010079. The reversal of 11100110009987 is 78990001100111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11100110009987 - 2⁸ = 11100110009731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11100110009987.

It is not a weakly prime, because it can be changed into another prime (11100110009687) 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, 5550055004993 + 5550055004994.

It is an arithmetic number, because the mean of its divisors is an integer number (5550055004994).

Almost surely, 2^{11100110009987} is an apocalyptic number.

11100110009987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100110009987 is an equidigital number, since it uses as much as digits as its factorization.

11100110009987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 38.

The spelling of 11100110009987 in words is "eleven trillion, one hundred billion, one hundred ten million, nine thousand, nine hundred eighty-seven".