11542444000 has 48 divisors (see below), whose sum is σ = 28359794736. Its totient is φ = 4616976000.

The previous prime is 11542443959. The next prime is 11542444003. The reversal of 11542444000 is 44424511.

It is a super-3 number, since 3×11542444000³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11542444003) by changing a digit.

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, 1438806 + ... + 1446805.

It is an arithmetic number, because the mean of its divisors is an integer number (590829057).

Almost surely, 2^11542444000 is an apocalyptic number.

11542444000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11542444000 is an abundant number, since it is smaller than the sum of its proper divisors (16817350736).

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

11542444000 is an equidigital number, since it uses as much as digits as its factorization.

11542444000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885636 (or 2885618 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 11542444000 its reverse (44424511), we get a palindrome (11586868511).

The spelling of 11542444000 in words is "eleven billion, five hundred forty-two million, four hundred forty-four thousand".