11451304123320 has 32 divisors (see below), whose sum is σ = 34353912370320. Its totient is φ = 3053681099520.

The previous prime is 11451304123277. The next prime is 11451304123339. The reversal of 11451304123320 is 2332140315411.

It is a super-2 number, since 2×11451304123320² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47713767061 + ... + 47713767300.

Almost surely, 2^{11451304123320} is an apocalyptic number.

11451304123320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11451304123320 is an abundant number, since it is smaller than the sum of its proper divisors (22902608247000).

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

11451304123320 is a wasteful number, since it uses less digits than its factorization.

11451304123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95427534375 (or 95427534371 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 11451304123320 its reverse (2332140315411), we get a palindrome (13783444438731).

The spelling of 11451304123320 in words is "eleven trillion, four hundred fifty-one billion, three hundred four million, one hundred twenty-three thousand, three hundred twenty".