11110200001987 has 2 divisors, whose sum is σ = 11110200001988. Its totient is φ = 11110200001986.

The previous prime is 11110200001969. The next prime is 11110200002147. The reversal of 11110200001987 is 78910000201111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11110200001987 is a prime.

It is not a weakly prime, because it can be changed into another prime (11110200001487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555100000993 + 5555100000994.

It is an arithmetic number, because the mean of its divisors is an integer number (5555100000994).

Almost surely, 2^{11110200001987} is an apocalyptic number.

11110200001987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110200001987 is an equidigital number, since it uses as much as digits as its factorization.

11110200001987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 31.

The spelling of 11110200001987 in words is "eleven trillion, one hundred ten billion, two hundred million, one thousand, nine hundred eighty-seven".