11444521320 has 64 divisors (see below), whose sum is σ = 38148408000. Its totient is φ = 3051872064.

The previous prime is 11444521289. The next prime is 11444521321. The reversal of 11444521320 is 2312544411.

11444521320 is a `hidden beast` number, since 1 + 1 + 4 + 445 + 213 + 2 + 0 = 666.

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 (11444521321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5297310 + ... + 5299469.

It is an arithmetic number, because the mean of its divisors is an integer number (596068875).

Almost surely, 2^11444521320 is an apocalyptic number.

11444521320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11444521320 is an abundant number, since it is smaller than the sum of its proper divisors (26703886680).

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

11444521320 is a wasteful number, since it uses less digits than its factorization.

11444521320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10596799 (or 10596789 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 11444521320 in words is "eleven billion, four hundred forty-four million, five hundred twenty-one thousand, three hundred twenty".