10011109987 has 2 divisors, whose sum is σ = 10011109988. Its totient is φ = 10011109986.

The previous prime is 10011109939. The next prime is 10011110003. The reversal of 10011109987 is 78990111001.

10011109987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10011109987 is a prime.

It is a super-2 number, since 2×10011109987² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10011101987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005554993 + 5005554994.

It is an arithmetic number, because the mean of its divisors is an integer number (5005554994).

Almost surely, 2^10011109987 is an apocalyptic number.

10011109987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011109987 is an equidigital number, since it uses as much as digits as its factorization.

10011109987 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 37.

The spelling of 10011109987 in words is "ten billion, eleven million, one hundred nine thousand, nine hundred eighty-seven".