11722550532 has 192 divisors, whose sum is σ = 36606173184. Its totient is φ = 2826178560.

The previous prime is 11722550443. The next prime is 11722550551. The reversal of 11722550532 is 23505522711.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 11722550493 and 11722550502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1141573 + ... + 1151795.

It is an arithmetic number, because the mean of its divisors is an integer number (190657152).

Almost surely, 2^11722550532 is an apocalyptic number.

11722550532 is a gapful number since it is divisible by the number (12) 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 11722550532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18303086592).

11722550532 is an abundant number, since it is smaller than the sum of its proper divisors (24883622652).

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

11722550532 is a wasteful number, since it uses less digits than its factorization.

11722550532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10338 (or 10336 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The spelling of 11722550532 in words is "eleven billion, seven hundred twenty-two million, five hundred fifty thousand, five hundred thirty-two".