10250242559981 has 2 divisors, whose sum is σ = 10250242559982. Its totient is φ = 10250242559980.

The previous prime is 10250242559959. The next prime is 10250242560001. The reversal of 10250242559981 is 18995524205201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5640311504356 + 4609931055625 = 2374934^2 + 2147075^2 .

It is a cyclic number.

It is not a de Polignac number, because 10250242559981 - 2³⁴ = 10233062690797 is a prime.

It is a super-2 number, since 2×10250242559981² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10250242559881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5125121279990 + 5125121279991.

It is an arithmetic number, because the mean of its divisors is an integer number (5125121279991).

Almost surely, 2^{10250242559981} is an apocalyptic number.

It is an amenable number.

10250242559981 is a deficient number, since it is larger than the sum of its proper divisors (1).

10250242559981 is an equidigital number, since it uses as much as digits as its factorization.

10250242559981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592000, while the sum is 53.

The spelling of 10250242559981 in words is "ten trillion, two hundred fifty billion, two hundred forty-two million, five hundred fifty-nine thousand, nine hundred eighty-one".