10553253100781 has 2 divisors, whose sum is σ = 10553253100782. Its totient is φ = 10553253100780.

The previous prime is 10553253100777. The next prime is 10553253100829. The reversal of 10553253100781 is 18700135235501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6243331779556 + 4309921321225 = 2498666^2 + 2076035^2 .

It is a cyclic number.

It is not a de Polignac number, because 10553253100781 - 2² = 10553253100777 is a prime.

It is a super-2 number, since 2×10553253100781² (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 (10553253100681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5276626550390 + 5276626550391.

It is an arithmetic number, because the mean of its divisors is an integer number (5276626550391).

Almost surely, 2^{10553253100781} is an apocalyptic number.

It is an amenable number.

10553253100781 is a deficient number, since it is larger than the sum of its proper divisors (1).

10553253100781 is an equidigital number, since it uses as much as digits as its factorization.

10553253100781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 10553253100781 in words is "ten trillion, five hundred fifty-three billion, two hundred fifty-three million, one hundred thousand, seven hundred eighty-one".