10563401266 has 16 divisors (see below), whose sum is σ = 17314064640. Its totient is φ = 4793629680.

The previous prime is 10563401227. The next prime is 10563401267. The reversal of 10563401266 is 66210436501.

It is a super-2 number, since 2×10563401266² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10563401267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382161 + ... + 408868.

It is an arithmetic number, because the mean of its divisors is an integer number (1082129040).

Almost surely, 2^10563401266 is an apocalyptic number.

10563401266 is a deficient number, since it is larger than the sum of its proper divisors (6750663374).

10563401266 is a wasteful number, since it uses less digits than its factorization.

10563401266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791649.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 10563401266 its reverse (66210436501), we get a palindrome (76773837767).

The spelling of 10563401266 in words is "ten billion, five hundred sixty-three million, four hundred one thousand, two hundred sixty-six".