9100000010987 has 2 divisors, whose sum is σ = 9100000010988. Its totient is φ = 9100000010986.

The previous prime is 9100000010963. The next prime is 9100000011013. The reversal of 9100000010987 is 7890100000019.

It is a weak prime.

It is an emirp because it is prime and its reverse (7890100000019) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9100000010987 is a prime.

It is not a weakly prime, because it can be changed into another prime (9100000010587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4550000005493 + 4550000005494.

It is an arithmetic number, because the mean of its divisors is an integer number (4550000005494).

Almost surely, 2^{9100000010987} is an apocalyptic number.

9100000010987 is a deficient number, since it is larger than the sum of its proper divisors (1).

9100000010987 is an equidigital number, since it uses as much as digits as its factorization.

9100000010987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 9100000010987 in words is "nine trillion, one hundred billion, ten thousand, nine hundred eighty-seven".