10550272081 has 2 divisors, whose sum is σ = 10550272082. Its totient is φ = 10550272080.

The previous prime is 10550272043. The next prime is 10550272091. The reversal of 10550272081 is 18027205501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8720571456 + 1829700625 = 93384^2 + 42775^2 .

It is a cyclic number.

It is not a de Polignac number, because 10550272081 - 2¹¹ = 10550270033 is a prime.

It is a super-2 number, since 2×10550272081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10550272021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5275136040 + 5275136041.

It is an arithmetic number, because the mean of its divisors is an integer number (5275136041).

Almost surely, 2^10550272081 is an apocalyptic number.

It is an amenable number.

10550272081 is a deficient number, since it is larger than the sum of its proper divisors (1).

10550272081 is an equidigital number, since it uses as much as digits as its factorization.

10550272081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 31.

Adding to 10550272081 its reverse (18027205501), we get a palindrome (28577477582).

The spelling of 10550272081 in words is "ten billion, five hundred fifty million, two hundred seventy-two thousand, eighty-one".