10051009987 has 2 divisors, whose sum is σ = 10051009988. Its totient is φ = 10051009986.

The previous prime is 10051009973. The next prime is 10051010023. The reversal of 10051009987 is 78990015001.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (78990015001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10051009987 is a prime.

It is not a weakly prime, because it can be changed into another prime (10051009907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025504993 + 5025504994.

It is an arithmetic number, because the mean of its divisors is an integer number (5025504994).

Almost surely, 2^10051009987 is an apocalyptic number.

10051009987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10051009987 is an equidigital number, since it uses as much as digits as its factorization.

10051009987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 40.

The spelling of 10051009987 in words is "ten billion, fifty-one million, nine thousand, nine hundred eighty-seven".