11012215501653 has 16 divisors (see below), whose sum is σ = 14931978964800. Its totient is φ = 7216967208960.

The previous prime is 11012215501649. The next prime is 11012215501673. The reversal of 11012215501653 is 35610551221011.

It is a happy number.

It is not a de Polignac number, because 11012215501653 - 2² = 11012215501649 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012215501673) 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, 19334613 + ... + 19896021.

It is an arithmetic number, because the mean of its divisors is an integer number (933248685300).

Almost surely, 2^{11012215501653} is an apocalyptic number.

It is an amenable number.

11012215501653 is a deficient number, since it is larger than the sum of its proper divisors (3919763463147).

11012215501653 is a wasteful number, since it uses less digits than its factorization.

11012215501653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672292.

The product of its (nonzero) digits is 9000, while the sum is 33.

Adding to 11012215501653 its reverse (35610551221011), we get a palindrome (46622766722664).

The spelling of 11012215501653 in words is "eleven trillion, twelve billion, two hundred fifteen million, five hundred one thousand, six hundred fifty-three".