11532221120 has 56 divisors (see below), whose sum is σ = 31384122144. Its totient is φ = 3953903616.

The previous prime is 11532221119. The next prime is 11532221131. The reversal of 11532221120 is 2112223511.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11532221092 and 11532221101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2571917 + ... + 2576396.

Almost surely, 2^11532221120 is an apocalyptic number.

11532221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11532221120 is an abundant number, since it is smaller than the sum of its proper divisors (19851901024).

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

11532221120 is an equidigital number, since it uses as much as digits as its factorization.

11532221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148337 (or 5148327 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 11532221120 its reverse (2112223511), we get a palindrome (13644444631).

The spelling of 11532221120 in words is "eleven billion, five hundred thirty-two million, two hundred twenty-one thousand, one hundred twenty".