11521941120 has 512 divisors, whose sum is σ = 42700953600. Its totient is φ = 2932899840.

The previous prime is 11521941113. The next prime is 11521941127. The reversal of 11521941120 is 2114912511.

11521941120 is a `hidden beast` number, since 1 + 15 + 219 + 411 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (11521941113) and next prime (11521941127).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11521941127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73388082 + ... + 73388238.

It is an arithmetic number, because the mean of its divisors is an integer number (83400300).

Almost surely, 2^11521941120 is an apocalyptic number.

11521941120 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 11521941120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21350476800).

11521941120 is an abundant number, since it is smaller than the sum of its proper divisors (31179012480).

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

11521941120 is a wasteful number, since it uses less digits than its factorization.

11521941120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The spelling of 11521941120 in words is "eleven billion, five hundred twenty-one million, nine hundred forty-one thousand, one hundred twenty".