11731225536 has 84 divisors (see below), whose sum is σ = 33799985232. Its totient is φ = 3890110464.

The previous prime is 11731225531. The next prime is 11731225549. The reversal of 11731225536 is 63552213711.

11731225536 is a `hidden beast` number, since 11 + 73 + 1 + 22 + 553 + 6 = 666.

11731225536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11731225536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11731225531) 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 11 ways as a sum of consecutive naturals, for example, 58405 + ... + 163931.

Almost surely, 2^11731225536 is an apocalyptic number.

11731225536 is a gapful number since it is divisible by the number (16) 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 11731225536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16899992616).

11731225536 is an abundant number, since it is smaller than the sum of its proper divisors (22068759696).

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

11731225536 is a wasteful number, since it uses less digits than its factorization.

11731225536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105738 (or 105725 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The spelling of 11731225536 in words is "eleven billion, seven hundred thirty-one million, two hundred twenty-five thousand, five hundred thirty-six".