10500058402781 has 2 divisors, whose sum is σ = 10500058402782. Its totient is φ = 10500058402780.

The previous prime is 10500058402747. The next prime is 10500058402891. The reversal of 10500058402781 is 18720485000501.

10500058402781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6040215559225 + 4459842843556 = 2457685^2 + 2111834^2 .

It is a cyclic number.

It is not a de Polignac number, because 10500058402781 - 2³⁸ = 10225180495837 is a prime.

It is a super-2 number, since 2×10500058402781² (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 (10500058402081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250029201390 + 5250029201391.

It is an arithmetic number, because the mean of its divisors is an integer number (5250029201391).

Almost surely, 2^{10500058402781} is an apocalyptic number.

It is an amenable number.

10500058402781 is a deficient number, since it is larger than the sum of its proper divisors (1).

10500058402781 is an equidigital number, since it uses as much as digits as its factorization.

10500058402781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 89600, while the sum is 41.

The spelling of 10500058402781 in words is "ten trillion, five hundred billion, fifty-eight million, four hundred two thousand, seven hundred eighty-one".