10508052781 has 2 divisors, whose sum is σ = 10508052782. Its totient is φ = 10508052780.

The previous prime is 10508052769. The next prime is 10508052853. The reversal of 10508052781 is 18725080501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9465344100 + 1042708681 = 97290^2 + 32291^2 .

It is a cyclic number.

It is not a de Polignac number, because 10508052781 - 2⁵ = 10508052749 is a prime.

It is a super-2 number, since 2×10508052781² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10508052781.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10508050781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5254026390 + 5254026391.

It is an arithmetic number, because the mean of its divisors is an integer number (5254026391).

Almost surely, 2^10508052781 is an apocalyptic number.

It is an amenable number.

10508052781 is a deficient number, since it is larger than the sum of its proper divisors (1).

10508052781 is an equidigital number, since it uses as much as digits as its factorization.

10508052781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 37.

The spelling of 10508052781 in words is "ten billion, five hundred eight million, fifty-two thousand, seven hundred eighty-one".