10550360081 has 4 divisors (see below), whose sum is σ = 10583642292. Its totient is φ = 10517077872.

The previous prime is 10550360077. The next prime is 10550360099. The reversal of 10550360081 is 18006305501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3140593681 + 7409766400 = 56041^2 + 86080^2 .

It is a cyclic number.

It is not a de Polignac number, because 10550360081 - 2² = 10550360077 is a prime.

It is a super-2 number, since 2×10550360081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10550360581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16640630 + ... + 16641263.

It is an arithmetic number, because the mean of its divisors is an integer number (2645910573).

Almost surely, 2^10550360081 is an apocalyptic number.

It is an amenable number.

10550360081 is a deficient number, since it is larger than the sum of its proper divisors (33282211).

10550360081 is an equidigital number, since it uses as much as digits as its factorization.

10550360081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33282210.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 10550360081 its reverse (18006305501), we get a palindrome (28556665582).

The spelling of 10550360081 in words is "ten billion, five hundred fifty million, three hundred sixty thousand, eighty-one".