11012261163563 has 16 divisors (see below), whose sum is σ = 12017757961440. Its totient is φ = 10007495481600.

The previous prime is 11012261163503. The next prime is 11012261163569. The reversal of 11012261163563 is 36536116221011.

It is a cyclic number.

It is not a de Polignac number, because 11012261163563 - 2¹² = 11012261159467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11012261163569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443654693 + ... + 443679513.

It is an arithmetic number, because the mean of its divisors is an integer number (751109872590).

Almost surely, 2^{11012261163563} is an apocalyptic number.

11012261163563 is a deficient number, since it is larger than the sum of its proper divisors (1005496797877).

11012261163563 is a wasteful number, since it uses less digits than its factorization.

11012261163563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37918.

The product of its (nonzero) digits is 38880, while the sum is 38.

Adding to 11012261163563 its reverse (36536116221011), we get a palindrome (47548377384574).

The spelling of 11012261163563 in words is "eleven trillion, twelve billion, two hundred sixty-one million, one hundred sixty-three thousand, five hundred sixty-three".