11286637652 has 12 divisors (see below), whose sum is σ = 19789530516. Its totient is φ = 5632486080.

The previous prime is 11286637651. The next prime is 11286637673. The reversal of 11286637652 is 25673668211.

It can be written as a sum of positive squares in 2 ways, for example, as 6153774916 + 5132862736 = 78446^2 + 71644^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11286637597 and 11286637606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11286637651) 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, 2705843 + ... + 2710010.

It is an arithmetic number, because the mean of its divisors is an integer number (1649127543).

Almost surely, 2^11286637652 is an apocalyptic number.

It is an amenable number.

11286637652 is a deficient number, since it is larger than the sum of its proper divisors (8502892864).

11286637652 is a wasteful number, since it uses less digits than its factorization.

11286637652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5416378 (or 5416376 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The spelling of 11286637652 in words is "eleven billion, two hundred eighty-six million, six hundred thirty-seven thousand, six hundred fifty-two".