11236533240 has 64 divisors (see below), whose sum is σ = 33721920000. Its totient is φ = 2995313792.

The previous prime is 11236533239. The next prime is 11236533241. The reversal of 11236533240 is 4233563211.

It is an interprime number because it is at equal distance from previous prime (11236533239) and next prime (11236533241).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 11236533198 and 11236533207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11236533241) 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, 344269 + ... + 375491.

It is an arithmetic number, because the mean of its divisors is an integer number (526905000).

Almost surely, 2^11236533240 is an apocalyptic number.

11236533240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11236533240 is an abundant number, since it is smaller than the sum of its proper divisors (22485386760).

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

11236533240 is a wasteful number, since it uses less digits than its factorization.

11236533240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34236 (or 34232 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 11236533240 in words is "eleven billion, two hundred thirty-six million, five hundred thirty-three thousand, two hundred forty".