11542320 has 240 divisors, whose sum is σ = 43872192. Its totient is φ = 2703360.

The previous prime is 11542309. The next prime is 11542327. The reversal of 11542320 is 2324511.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11542293 and 11542302.

It is not an unprimeable number, because it can be changed into a prime (11542327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 281500 + ... + 281540.

Almost surely, 2^11542320 is an apocalyptic number.

11542320 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 11542320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21936096).

11542320 is an abundant number, since it is smaller than the sum of its proper divisors (32329872).

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

11542320 is a wasteful number, since it uses less digits than its factorization.

11542320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 11542320 is about 3397.3990051214. The cubic root of 11542320 is about 225.9944134156.

Adding to 11542320 its reverse (2324511), we get a palindrome (13866831).

The spelling of 11542320 in words is "eleven million, five hundred forty-two thousand, three hundred twenty".