11451324442120 has 64 divisors (see below), whose sum is σ = 26009428536000. Its totient is φ = 4537309939968.

The previous prime is 11451324442099. The next prime is 11451324442157. The reversal of 11451324442120 is 2124442315411.

It is a super-2 number, since 2×11451324442120² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138486 + ... + 4787674.

It is an arithmetic number, because the mean of its divisors is an integer number (406397320875).

Almost surely, 2^{11451324442120} is an apocalyptic number.

11451324442120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11451324442120 is an abundant number, since it is smaller than the sum of its proper divisors (14558104093880).

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

11451324442120 is a wasteful number, since it uses less digits than its factorization.

11451324442120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4649782 (or 4649778 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

Adding to 11451324442120 its reverse (2124442315411), we get a palindrome (13575766757531).

The spelling of 11451324442120 in words is "eleven trillion, four hundred fifty-one billion, three hundred twenty-four million, four hundred forty-two thousand, one hundred twenty".