10486103125781 has 2 divisors, whose sum is σ = 10486103125782. Its totient is φ = 10486103125780.

The previous prime is 10486103125777. The next prime is 10486103125801. The reversal of 10486103125781 is 18752130168401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10296660563281 + 189442562500 = 3208841^2 + 435250^2 .

It is a cyclic number.

It is not a de Polignac number, because 10486103125781 - 2² = 10486103125777 is a prime.

It is a super-2 number, since 2×10486103125781² (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 (10486103125741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5243051562890 + 5243051562891.

It is an arithmetic number, because the mean of its divisors is an integer number (5243051562891).

Almost surely, 2^{10486103125781} is an apocalyptic number.

It is an amenable number.

10486103125781 is a deficient number, since it is larger than the sum of its proper divisors (1).

10486103125781 is an equidigital number, since it uses as much as digits as its factorization.

10486103125781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 47.

The spelling of 10486103125781 in words is "ten trillion, four hundred eighty-six billion, one hundred three million, one hundred twenty-five thousand, seven hundred eighty-one".