11236563580 has 48 divisors (see below), whose sum is σ = 25813831680. Its totient is φ = 4074612800.

The previous prime is 11236563571. The next prime is 11236563581. The reversal of 11236563580 is 8536563211.

11236563580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11236563580² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11236563581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7845 + ... + 150115.

It is an arithmetic number, because the mean of its divisors is an integer number (537788160).

Almost surely, 2^11236563580 is an apocalyptic number.

11236563580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11236563580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12906915840).

11236563580 is an abundant number, since it is smaller than the sum of its proper divisors (14577268100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11236563580 is a wasteful number, since it uses less digits than its factorization.

11236563580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142650 (or 142648 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 11236563580 in words is "eleven billion, two hundred thirty-six million, five hundred sixty-three thousand, five hundred eighty".