10087254987721 has 2 divisors, whose sum is σ = 10087254987722. Its totient is φ = 10087254987720.

The previous prime is 10087254987707. The next prime is 10087254987743. The reversal of 10087254987721 is 12778945278001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9775596294025 + 311658693696 = 3126595^2 + 558264^2 .

It is a cyclic number.

It is not a de Polignac number, because 10087254987721 - 2¹¹ = 10087254985673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10087254987721.

It is not a weakly prime, because it can be changed into another prime (10087254987751) 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, 5043627493860 + 5043627493861.

It is an arithmetic number, because the mean of its divisors is an integer number (5043627493861).

Almost surely, 2^{10087254987721} is an apocalyptic number.

It is an amenable number.

10087254987721 is a deficient number, since it is larger than the sum of its proper divisors (1).

10087254987721 is an equidigital number, since it uses as much as digits as its factorization.

10087254987721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15805440, while the sum is 61.

The spelling of 10087254987721 in words is "ten trillion, eighty-seven billion, two hundred fifty-four million, nine hundred eighty-seven thousand, seven hundred twenty-one".